857064032 has 24 divisors (see below), whose sum is σ = 1840740552. Its totient is φ = 389574400.

The previous prime is 857063983. The next prime is 857064049. The reversal of 857064032 is 230460758.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 857063983 and 857064001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1217069 + ... + 1217772.

It is an arithmetic number, because the mean of its divisors is an integer number (76697523).

Almost surely, 2^857064032 is an apocalyptic number.

It is an amenable number.

857064032 is an abundant number, since it is smaller than the sum of its proper divisors (983676520).

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

857064032 is a wasteful number, since it uses less digits than its factorization.

857064032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434862 (or 2434854 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 857064032 is about 29275.6559619080. The cubic root of 857064032 is about 949.8851318178.

The spelling of 857064032 in words is "eight hundred fifty-seven million, sixty-four thousand, thirty-two".