1380852 has 54 divisors (see below), whose sum is σ = 3848754. Its totient is φ = 417120.

The previous prime is 1380817. The next prime is 1380853. The reversal of 1380852 is 2580831.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 853776 + 527076 = 924^2 + 726^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380853) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4198 + ... + 4514.

2^1380852 is an apocalyptic number.

1380852 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 1380852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1924377).

1380852 is an abundant number, since it is smaller than the sum of its proper divisors (2467902).

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

1380852 is a wasteful number, since it uses less digits than its factorization.

1380852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 1380852 is about 1175.0965917745. The cubic root of 1380852 is about 111.3565355764.

The spelling of 1380852 in words is "one million, three hundred eighty thousand, eight hundred fifty-two".