390935682236 has 48 divisors (see below), whose sum is σ = 758715376608. Its totient is φ = 174750700800.

The previous prime is 390935682233. The next prime is 390935682311. The reversal of 390935682236 is 632286539093.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390935682233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17845706 + ... + 17867598.

It is an arithmetic number, because the mean of its divisors is an integer number (15806570346).

Almost surely, 2^390935682236 is an apocalyptic number.

It is an amenable number.

390935682236 is a deficient number, since it is larger than the sum of its proper divisors (367779694372).

390935682236 is a wasteful number, since it uses less digits than its factorization.

390935682236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28622 (or 28620 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 56.

The spelling of 390935682236 in words is "three hundred ninety billion, nine hundred thirty-five million, six hundred eighty-two thousand, two hundred thirty-six".