399234332616 has 64 divisors (see below), whose sum is σ = 1140881777280. Its totient is φ = 114045726720.

The previous prime is 399234332611. The next prime is 399234332617. The reversal of 399234332616 is 616233432993.

It is not an unprimeable number, because it can be changed into a prime (399234332611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 695710 + ... + 1132466.

It is an arithmetic number, because the mean of its divisors is an integer number (17826277770).

Almost surely, 2^399234332616 is an apocalyptic number.

It is an amenable number.

399234332616 is an abundant number, since it is smaller than the sum of its proper divisors (741647444664).

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

399234332616 is a wasteful number, since it uses less digits than its factorization.

399234332616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442214 (or 442210 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 51.

The spelling of 399234332616 in words is "three hundred ninety-nine billion, two hundred thirty-four million, three hundred thirty-two thousand, six hundred sixteen".