1138852 has 36 divisors (see below), whose sum is σ = 2372188. Its totient is φ = 475200.

The previous prime is 1138849. The next prime is 1138853. The reversal of 1138852 is 2588311.

It can be written as a sum of positive squares in 2 ways, for example, as 69696 + 1069156 = 264^2 + 1034^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1138852.

It is not an unprimeable number, because it can be changed into a prime (1138853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6202 + ... + 6382.

2^1138852 is an apocalyptic number.

It is an amenable number.

1138852 is an abundant number, since it is smaller than the sum of its proper divisors (1233336).

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

1138852 is a wasteful number, since it uses less digits than its factorization.

1138852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 207 counting only the distinct ones).

The product of its digits is 1920, while the sum is 28.

The square root of 1138852 is about 1067.1700895359. The cubic root of 1138852 is about 104.4293150796.

The spelling of 1138852 in words is "one million, one hundred thirty-eight thousand, eight hundred fifty-two".