857294450 has 24 divisors (see below), whose sum is σ = 1607135232. Its totient is φ = 340215120.

The previous prime is 857294443. The next prime is 857294507. The reversal of 857294450 is 54492758.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61154 + ... + 73853.

It is an arithmetic number, because the mean of its divisors is an integer number (66963968).

Almost surely, 2^857294450 is an apocalyptic number.

857294450 is a deficient number, since it is larger than the sum of its proper divisors (749840782).

857294450 is a wasteful number, since it uses less digits than its factorization.

857294450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135146 (or 135141 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 857294450 is about 29279.5910149032. The cubic root of 857294450 is about 949.9702483757.

The spelling of 857294450 in words is "eight hundred fifty-seven million, two hundred ninety-four thousand, four hundred fifty".