399095208 has 128 divisors (see below), whose sum is σ = 1137628800. Its totient is φ = 129604608.

The previous prime is 399095201. The next prime is 399095219. The reversal of 399095208 is 802590993.

399095208 is a `hidden beast` number, since 39 + 90 + 9 + 520 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (399095201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2025766 + ... + 2025962.

It is an arithmetic number, because the mean of its divisors is an integer number (8887725).

Almost surely, 2^399095208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 399095208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (568814400).

399095208 is an abundant number, since it is smaller than the sum of its proper divisors (738533592).

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

399095208 is a wasteful number, since it uses less digits than its factorization.

399095208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 399095208 is about 19977.3673941288. The cubic root of 399095208 is about 736.2503332842.

The spelling of 399095208 in words is "three hundred ninety-nine million, ninety-five thousand, two hundred eight".