390320032 has 12 divisors (see below), whose sum is σ = 768442626. Its totient is φ = 195160000.

The previous prime is 390320027. The next prime is 390320069. The reversal of 390320032 is 230023093.

It can be written as a sum of positive squares in only one way, i.e., 258437776 + 131882256 = 16076^2 + 11484^2 .

It is a junction number, because it is equal to n+sod(n) for n = 390319985 and 390320012.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6098719 + ... + 6098782.

Almost surely, 2^390320032 is an apocalyptic number.

390320032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

390320032 is a deficient number, since it is larger than the sum of its proper divisors (378122594).

390320032 is a wasteful number, since it uses less digits than its factorization.

390320032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12197511 (or 12197503 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 390320032 is about 19756.5187216777. The cubic root of 390320032 is about 730.8141488986.

The spelling of 390320032 in words is "three hundred ninety million, three hundred twenty thousand, thirty-two".