1002852 has 36 divisors (see below), whose sum is σ = 2571660. Its totient is φ = 329472.

The previous prime is 1002851. The next prime is 1002853. The reversal of 1002852 is 2582001.

It is an interprime number because it is at equal distance from previous prime (1002851) and next prime (1002853).

It can be written as a sum of positive squares in 2 ways, for example, as 69696 + 933156 = 264^2 + 966^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1002851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3048 + ... + 3360.

It is an arithmetic number, because the mean of its divisors is an integer number (71435).

2^1002852 is an apocalyptic number.

1002852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1285830).

1002852 is an abundant number, since it is smaller than the sum of its proper divisors (1568808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1002852 is a wasteful number, since it uses less digits than its factorization.

1002852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1002852 is about 1001.4249847093. The cubic root of 1002852 is about 100.0949764329.

Adding to 1002852 its reverse (2582001), we get a palindrome (3584853).

The spelling of 1002852 in words is "one million, two thousand, eight hundred fifty-two".