399607480 has 16 divisors (see below), whose sum is σ = 899116920. Its totient is φ = 159842976.

The previous prime is 399607477. The next prime is 399607493. The reversal of 399607480 is 84706993.

It is a super-2 number, since 2×399607480² = 319372276143900800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 399607480.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4995054 + ... + 4995133.

Almost surely, 2^399607480 is an apocalyptic number.

It is an amenable number.

399607480 is an abundant number, since it is smaller than the sum of its proper divisors (499509440).

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

399607480 is a wasteful number, since it uses less digits than its factorization.

399607480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9990198 (or 9990194 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 399607480 is about 19990.1845914439. The cubic root of 399607480 is about 736.5652115103.

The spelling of 399607480 in words is "three hundred ninety-nine million, six hundred seven thousand, four hundred eighty".