390339396 has 36 divisors (see below), whose sum is σ = 987634284. Its totient is φ = 129988800.

The previous prime is 390339373. The next prime is 390339407. The reversal of 390339396 is 693933093.

It can be written as a sum of positive squares in 2 ways, for example, as 312016896 + 78322500 = 17664^2 + 8850^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37926 + ... + 47106.

Almost surely, 2^390339396 is an apocalyptic number.

390339396 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

390339396 is an abundant number, since it is smaller than the sum of its proper divisors (597294888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

390339396 is a wasteful number, since it uses less digits than its factorization.

390339396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10372 (or 10367 counting only the distinct ones).

The product of its (nonzero) digits is 354294, while the sum is 45.

The square root of 390339396 is about 19757.0087816957. The cubic root of 390339396 is about 730.8262340680.

The spelling of 390339396 in words is "three hundred ninety million, three hundred thirty-nine thousand, three hundred ninety-six".