402857375 has 8 divisors (see below), whose sum is σ = 502766160. Its totient is φ = 322285800.

The previous prime is 402857353. The next prime is 402857407. The reversal of 402857375 is 573758204.

It is not a de Polignac number, because 402857375 - 2¹⁸ = 402595231 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1611305 + ... + 1611554.

It is an arithmetic number, because the mean of its divisors is an integer number (62845770).

Almost surely, 2^402857375 is an apocalyptic number.

402857375 is a deficient number, since it is larger than the sum of its proper divisors (99908785).

402857375 is an equidigital number, since it uses as much as digits as its factorization.

402857375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222874 (or 3222864 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 41.

The square root of 402857375 is about 20071.3072568779. The cubic root of 402857375 is about 738.5565818939.

The spelling of 402857375 in words is "four hundred two million, eight hundred fifty-seven thousand, three hundred seventy-five".