857514492 has 24 divisors (see below), whose sum is σ = 2223186000. Its totient is φ = 285838128.

The previous prime is 857514473. The next prime is 857514509. The reversal of 857514492 is 294415758.

857514492 is a `hidden beast` number, since 85 + 75 + 14 + 492 = 666.

It is a super-2 number, since 2×857514492² = 1470662207980036128, which contains 22 as substring.

It is a congruent number.

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, 3969867 + ... + 3970082.

It is an arithmetic number, because the mean of its divisors is an integer number (92632750).

Almost surely, 2^857514492 is an apocalyptic number.

It is an amenable number.

857514492 is an abundant number, since it is smaller than the sum of its proper divisors (1365671508).

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

857514492 is a wasteful number, since it uses less digits than its factorization.

857514492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7939962 (or 7939954 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 857514492 is about 29283.3483741187. The cubic root of 857514492 is about 950.0515177971.

The spelling of 857514492 in words is "eight hundred fifty-seven million, five hundred fourteen thousand, four hundred ninety-two".