399038468 has 12 divisors (see below), whose sum is σ = 699155520. Its totient is φ = 199279752.

The previous prime is 399038461. The next prime is 399038473. The reversal of 399038468 is 864830993.

It is not an unprimeable number, because it can be changed into a prime (399038461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56096 + ... + 62807.

It is an arithmetic number, because the mean of its divisors is an integer number (58262960).

Almost surely, 2^399038468 is an apocalyptic number.

It is an amenable number.

399038468 is a deficient number, since it is larger than the sum of its proper divisors (300117052).

399038468 is a wasteful number, since it uses less digits than its factorization.

399038468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119746 (or 119744 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 50.

The square root of 399038468 is about 19975.9472366143. The cubic root of 399038468 is about 736.2154403372.

The spelling of 399038468 in words is "three hundred ninety-nine million, thirty-eight thousand, four hundred sixty-eight".