399048875 has 8 divisors (see below), whose sum is σ = 498013152. Its totient is φ = 319239000.

The previous prime is 399048841. The next prime is 399048877. The reversal of 399048875 is 578840993.

It is not a de Polignac number, because 399048875 - 2⁸ = 399048619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (399048877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1596071 + ... + 1596320.

It is an arithmetic number, because the mean of its divisors is an integer number (62251644).

Almost surely, 2^399048875 is an apocalyptic number.

399048875 is a deficient number, since it is larger than the sum of its proper divisors (98964277).

399048875 is an equidigital number, since it uses as much as digits as its factorization.

399048875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3192406 (or 3192396 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 53.

The square root of 399048875 is about 19976.2077231891. The cubic root of 399048875 is about 736.2218404950.

The spelling of 399048875 in words is "three hundred ninety-nine million, forty-eight thousand, eight hundred seventy-five".