857412344 has 8 divisors (see below), whose sum is σ = 1607648160. Its totient is φ = 428706168.

The previous prime is 857412337. The next prime is 857412371. The reversal of 857412344 is 443214758.

857412344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 857412298 and 857412307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53588264 + ... + 53588279.

It is an arithmetic number, because the mean of its divisors is an integer number (200956020).

Almost surely, 2^857412344 is an apocalyptic number.

It is an amenable number.

857412344 is a deficient number, since it is larger than the sum of its proper divisors (750235816).

857412344 is a wasteful number, since it uses less digits than its factorization.

857412344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107176549 (or 107176545 counting only the distinct ones).

The product of its digits is 107520, while the sum is 38.

The square root of 857412344 is about 29281.6041910275. The cubic root of 857412344 is about 950.0137925975.

The spelling of 857412344 in words is "eight hundred fifty-seven million, four hundred twelve thousand, three hundred forty-four".