857316534 has 32 divisors (see below), whose sum is σ = 1727865216. Its totient is φ = 283576320.

The previous prime is 857316533. The next prime is 857316539. The reversal of 857316534 is 435613758.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857316533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472489 + ... + 474299.

It is an arithmetic number, because the mean of its divisors is an integer number (53995788).

Almost surely, 2^857316534 is an apocalyptic number.

857316534 is an abundant number, since it is smaller than the sum of its proper divisors (870548682).

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

857316534 is a wasteful number, since it uses less digits than its factorization.

857316534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380.

The product of its digits is 302400, while the sum is 42.

The square root of 857316534 is about 29279.9681352286. The cubic root of 857316534 is about 949.9784054186.

The spelling of 857316534 in words is "eight hundred fifty-seven million, three hundred sixteen thousand, five hundred thirty-four".