402894875 has 8 divisors (see below), whose sum is σ = 502812960. Its totient is φ = 322315800.

The previous prime is 402894859. The next prime is 402894881. The reversal of 402894875 is 578498204.

It is a happy number.

It is not a de Polignac number, because 402894875 - 2⁴ = 402894859 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1611455 + ... + 1611704.

It is an arithmetic number, because the mean of its divisors is an integer number (62851620).

Almost surely, 2^402894875 is an apocalyptic number.

402894875 is a deficient number, since it is larger than the sum of its proper divisors (99918085).

402894875 is an equidigital number, since it uses as much as digits as its factorization.

402894875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3223174 (or 3223164 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 402894875 is about 20072.2414044869. The cubic root of 402894875 is about 738.5794973757.

The spelling of 402894875 in words is "four hundred two million, eight hundred ninety-four thousand, eight hundred seventy-five".