390860306332 has 24 divisors (see below), whose sum is σ = 690228944496. Its totient is φ = 193652890368.

The previous prime is 390860306297. The next prime is 390860306351. The reversal of 390860306332 is 233603068093.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1763503 + ... + 1972729.

It is an arithmetic number, because the mean of its divisors is an integer number (28759539354).

Almost surely, 2^390860306332 is an apocalyptic number.

It is an amenable number.

390860306332 is a deficient number, since it is larger than the sum of its proper divisors (299368638164).

390860306332 is a wasteful number, since it uses less digits than its factorization.

390860306332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213477 (or 213475 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 43.

The spelling of 390860306332 in words is "three hundred ninety billion, eight hundred sixty million, three hundred six thousand, three hundred thirty-two".