855372 has 48 divisors (see below), whose sum is σ = 2419200. Its totient is φ = 229632.

The previous prime is 855359. The next prime is 855373. The reversal of 855372 is 273558.

It is a happy number.

It is a super-2 number, since 2×855372² = 1463322516768, which contains 22 as substring.

It is a d-powerful number, because it can be written as 8² + 5⁶ + 3 + 5⁶ + 7⁷ + 2⁹ .

It is not an unprimeable number, because it can be changed into a prime (855373) by changing a digit.

855372 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1129 + ... + 1727.

It is an arithmetic number, because the mean of its divisors is an integer number (50400).

2⁸⁵⁵³⁷² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 855372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1209600).

855372 is an abundant number, since it is smaller than the sum of its proper divisors (1563828).

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

855372 is a wasteful number, since it uses less digits than its factorization.

855372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630 (or 628 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 855372 is about 924.8632331323. The cubic root of 855372 is about 94.9259626286.

The spelling of 855372 in words is "eight hundred fifty-five thousand, three hundred seventy-two".