857023486 has 32 divisors (see below), whose sum is σ = 1453269600. Its totient is φ = 375473280.

The previous prime is 857023483. The next prime is 857023501. The reversal of 857023486 is 684320758.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857023483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 696720 + ... + 697948.

It is an arithmetic number, because the mean of its divisors is an integer number (45414675).

Almost surely, 2^857023486 is an apocalyptic number.

857023486 is a deficient number, since it is larger than the sum of its proper divisors (596246114).

857023486 is a wasteful number, since it uses less digits than its factorization.

857023486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 857023486 is about 29274.9634670993. The cubic root of 857023486 is about 949.8701525208.

The spelling of 857023486 in words is "eight hundred fifty-seven million, twenty-three thousand, four hundred eighty-six".