857492466 has 8 divisors (see below), whose sum is σ = 1714984944. Its totient is φ = 285830820.

The previous prime is 857492437. The next prime is 857492473. The reversal of 857492466 is 664294758.

It is a sphenic number, since it is the product of 3 distinct primes.

857492466 is an admirable number.

It is a super-2 number, since 2×857492466² = 1470586658493522312, which contains 22 as substring.

It is a Curzon 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, 71457700 + ... + 71457711.

It is an arithmetic number, because the mean of its divisors is an integer number (214373118).

Almost surely, 2^857492466 is an apocalyptic number.

857492466 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.

857492466 is a wasteful number, since it uses less digits than its factorization.

857492466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142915416.

The product of its digits is 2903040, while the sum is 51.

The square root of 857492466 is about 29282.9722876623. The cubic root of 857492466 is about 950.0433834297.

The spelling of 857492466 in words is "eight hundred fifty-seven million, four hundred ninety-two thousand, four hundred sixty-six".