857214932 has 12 divisors (see below), whose sum is σ = 1714429920. Its totient is φ = 367377816.

The previous prime is 857214931. The next prime is 857214937. The reversal of 857214932 is 239412758.

857214932 is an admirable number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 857214932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857214931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15307382 + ... + 15307437.

It is an arithmetic number, because the mean of its divisors is an integer number (142869160).

Almost surely, 2^857214932 is an apocalyptic number.

It is an amenable number.

857214932 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

857214932 is a wasteful number, since it uses less digits than its factorization.

857214932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30614830 (or 30614828 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 857214932 is about 29278.2330751021. The cubic root of 857214932 is about 949.9408760989.

The spelling of 857214932 in words is "eight hundred fifty-seven million, two hundred fourteen thousand, nine hundred thirty-two".