402864795 has 24 divisors (see below), whose sum is σ = 698804496. Its totient is φ = 214705728.

The previous prime is 402864779. The next prime is 402864799. The reversal of 402864795 is 597468204.

It is a happy number.

It is not a de Polignac number, because 402864795 - 2⁴ = 402864779 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 402864795.

It is not an unprimeable number, because it can be changed into a prime (402864799) 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 23 ways as a sum of consecutive naturals, for example, 87624 + ... + 92106.

It is an arithmetic number, because the mean of its divisors is an integer number (29116854).

Almost surely, 2^402864795 is an apocalyptic number.

402864795 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

402864795 is a deficient number, since it is larger than the sum of its proper divisors (295939701).

402864795 is a wasteful number, since it uses less digits than its factorization.

402864795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6491 (or 6488 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 402864795 is about 20071.4920970017. The cubic root of 402864795 is about 738.5611162168.

The spelling of 402864795 in words is "four hundred two million, eight hundred sixty-four thousand, seven hundred ninety-five".