402274859 has 32 divisors (see below), whose sum is σ = 523008000. Its totient is φ = 307359360.

The previous prime is 402274849. The next prime is 402274867. The reversal of 402274859 is 958472204.

It is not a de Polignac number, because 402274859 - 2¹² = 402270763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402274849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108974 + ... + 112604.

It is an arithmetic number, because the mean of its divisors is an integer number (16344000).

Almost surely, 2^402274859 is an apocalyptic number.

402274859 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

402274859 is a deficient number, since it is larger than the sum of its proper divisors (120733141).

402274859 is a wasteful number, since it uses less digits than its factorization.

402274859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3688 (or 3674 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 402274859 is about 20056.7908449981. The cubic root of 402274859 is about 738.2004355419.

The spelling of 402274859 in words is "four hundred two million, two hundred seventy-four thousand, eight hundred fifty-nine".