399027576 has 16 divisors (see below), whose sum is σ = 997569000. Its totient is φ = 133009184.

The previous prime is 399027571. The next prime is 399027581. The reversal of 399027576 is 675720993.

It is an interprime number because it is at equal distance from previous prime (399027571) and next prime (399027581).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399027571) 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, 8313051 + ... + 8313098.

Almost surely, 2^399027576 is an apocalyptic number.

It is an amenable number.

399027576 is an abundant number, since it is smaller than the sum of its proper divisors (598541424).

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

399027576 is a wasteful number, since it uses less digits than its factorization.

399027576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16626158 (or 16626154 counting only the distinct ones).

The product of its (nonzero) digits is 714420, while the sum is 48.

The square root of 399027576 is about 19975.6746068812. The cubic root of 399027576 is about 736.2087417921.

The spelling of 399027576 in words is "three hundred ninety-nine million, twenty-seven thousand, five hundred seventy-six".