857393002 has 16 divisors (see below), whose sum is σ = 1297658880. Its totient is φ = 424847808.

The previous prime is 857392999. The next prime is 857393021. The reversal of 857393002 is 200393758.

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, 377073 + ... + 379339.

It is an arithmetic number, because the mean of its divisors is an integer number (81103680).

Almost surely, 2^857393002 is an apocalyptic number.

857393002 is a deficient number, since it is larger than the sum of its proper divisors (440265878).

857393002 is a wasteful number, since it uses less digits than its factorization.

857393002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3885.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 857393002 is about 29281.2739135441. The cubic root of 857393002 is about 950.0066488916.

The spelling of 857393002 in words is "eight hundred fifty-seven million, three hundred ninety-three thousand, two".