856970350 has 24 divisors (see below), whose sum is σ = 1600656480. Its totient is φ = 341349120.

The previous prime is 856970347. The next prime is 856970351. The reversal of 856970350 is 53079658.

It is a junction number, because it is equal to n+sod(n) for n = 856970297 and 856970306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856970351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23907 + ... + 47806.

It is an arithmetic number, because the mean of its divisors is an integer number (66694020).

Almost surely, 2^856970350 is an apocalyptic number.

856970350 is a deficient number, since it is larger than the sum of its proper divisors (743686130).

856970350 is a wasteful number, since it uses less digits than its factorization.

856970350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71964 (or 71959 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 856970350 is about 29274.0559198755. The cubic root of 856970350 is about 949.8505212644.

The spelling of 856970350 in words is "eight hundred fifty-six million, nine hundred seventy thousand, three hundred fifty".