390918964886 has 16 divisors (see below), whose sum is σ = 590424660000. Its totient is φ = 194111237568.

The previous prime is 390918964829. The next prime is 390918964889. The reversal of 390918964886 is 688469819093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390918964889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1503431 + ... + 1744173.

It is an arithmetic number, because the mean of its divisors is an integer number (36901541250).

Almost surely, 2^390918964886 is an apocalyptic number.

390918964886 is a deficient number, since it is larger than the sum of its proper divisors (199505695114).

390918964886 is a wasteful number, since it uses less digits than its factorization.

390918964886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246343.

The product of its (nonzero) digits is 161243136, while the sum is 71.

The spelling of 390918964886 in words is "three hundred ninety billion, nine hundred eighteen million, nine hundred sixty-four thousand, eight hundred eighty-six".