399052395 has 48 divisors (see below), whose sum is σ = 795637440. Its totient is φ = 181239552.

The previous prime is 399052393. The next prime is 399052417. The reversal of 399052395 is 593250993.

399052395 is a `hidden beast` number, since 39 + 9 + 0 + 523 + 95 = 666.

It is not a de Polignac number, because 399052395 - 2¹ = 399052393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 399052395.

It is not an unprimeable number, because it can be changed into a prime (399052393) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45421 + ... + 53489.

It is an arithmetic number, because the mean of its divisors is an integer number (16575780).

Almost surely, 2^399052395 is an apocalyptic number.

399052395 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

399052395 is a deficient number, since it is larger than the sum of its proper divisors (396585045).

399052395 is a wasteful number, since it uses less digits than its factorization.

399052395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8244 (or 8241 counting only the distinct ones).

The product of its (nonzero) digits is 328050, while the sum is 45.

The square root of 399052395 is about 19976.2958278055. The cubic root of 399052395 is about 736.2240052200.

The spelling of 399052395 in words is "three hundred ninety-nine million, fifty-two thousand, three hundred ninety-five".