856322052 has 24 divisors (see below), whose sum is σ = 2062540032. Its totient is φ = 276232800.

The previous prime is 856322029. The next prime is 856322069. The reversal of 856322052 is 250223658.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1150599 + ... + 1151342.

It is an arithmetic number, because the mean of its divisors is an integer number (85939168).

Almost surely, 2^856322052 is an apocalyptic number.

It is an amenable number.

856322052 is an abundant number, since it is smaller than the sum of its proper divisors (1206217980).

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

856322052 is a wasteful number, since it uses less digits than its factorization.

856322052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301979 (or 2301977 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 856322052 is about 29262.9809144591. The cubic root of 856322052 is about 949.6109402259.

The spelling of 856322052 in words is "eight hundred fifty-six million, three hundred twenty-two thousand, fifty-two".