399604795 has 8 divisors (see below), whose sum is σ = 479656800. Its totient is φ = 319596480.

The previous prime is 399604753. The next prime is 399604837. The reversal of 399604795 is 597406993.

It is an interprime number because it is at equal distance from previous prime (399604753) and next prime (399604837).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-399604795 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14650 + ... + 31840.

It is an arithmetic number, because the mean of its divisors is an integer number (59957100).

Almost surely, 2^399604795 is an apocalyptic number.

399604795 is a deficient number, since it is larger than the sum of its proper divisors (80052005).

399604795 is a wasteful number, since it uses less digits than its factorization.

399604795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21845.

The product of its (nonzero) digits is 1837080, while the sum is 52.

The square root of 399604795 is about 19990.1174333719. The cubic root of 399604795 is about 736.5635618231.

The spelling of 399604795 in words is "three hundred ninety-nine million, six hundred four thousand, seven hundred ninety-five".