390106256684 has 24 divisors (see below), whose sum is σ = 685182223488. Its totient is φ = 194340481920.

The previous prime is 390106256641. The next prime is 390106256689. The reversal of 390106256684 is 486652601093.

It is not an unprimeable number, because it can be changed into a prime (390106256689) 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 7 ways as a sum of consecutive naturals, for example, 2692574 + ... + 2833754.

It is an arithmetic number, because the mean of its divisors is an integer number (28549259312).

Almost surely, 2^390106256684 is an apocalyptic number.

It is an amenable number.

390106256684 is a deficient number, since it is larger than the sum of its proper divisors (295075966804).

390106256684 is a wasteful number, since it uses less digits than its factorization.

390106256684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143705 (or 143703 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 390106256684 in words is "three hundred ninety billion, one hundred six million, two hundred fifty-six thousand, six hundred eighty-four".