856283952 has 80 divisors (see below), whose sum is σ = 2249320320. Its totient is φ = 280659456.

The previous prime is 856283921. The next prime is 856283969. The reversal of 856283952 is 259382658.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 969303 + ... + 970185.

It is an arithmetic number, because the mean of its divisors is an integer number (28116504).

Almost surely, 2^856283952 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 856283952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1124660160).

856283952 is an abundant number, since it is smaller than the sum of its proper divisors (1393036368).

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

856283952 is a wasteful number, since it uses less digits than its factorization.

856283952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210 (or 1204 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 48.

The square root of 856283952 is about 29262.3299140721. The cubic root of 856283952 is about 949.5968564617.

The spelling of 856283952 in words is "eight hundred fifty-six million, two hundred eighty-three thousand, nine hundred fifty-two".