399876095 has 8 divisors (see below), whose sum is σ = 479958864. Its totient is φ = 319829184.

The previous prime is 399876089. The next prime is 399876097. The reversal of 399876095 is 590678993.

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

It is a cyclic number.

It is not a de Polignac number, because 399876095 - 2⁴ = 399876079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 399876095.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399876097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37112 + ... + 46658.

It is an arithmetic number, because the mean of its divisors is an integer number (59994858).

Almost surely, 2^399876095 is an apocalyptic number.

399876095 is a deficient number, since it is larger than the sum of its proper divisors (80082769).

399876095 is an equidigital number, since it uses as much as digits as its factorization.

399876095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17929.

The product of its (nonzero) digits is 3674160, while the sum is 56.

The square root of 399876095 is about 19996.9021350808. The cubic root of 399876095 is about 736.7302135508.

The spelling of 399876095 in words is "three hundred ninety-nine million, eight hundred seventy-six thousand, ninety-five".