402298386 has 32 divisors (see below), whose sum is σ = 928143360. Its totient is φ = 113866896.

The previous prime is 402298357. The next prime is 402298397. The reversal of 402298386 is 683892204.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40266 + ... + 49253.

It is an arithmetic number, because the mean of its divisors is an integer number (29004480).

Almost surely, 2^402298386 is an apocalyptic number.

402298386 is an abundant number, since it is smaller than the sum of its proper divisors (525844974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402298386 is a wasteful number, since it uses less digits than its factorization.

402298386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89638.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 402298386 is about 20057.3773460041. The cubic root of 402298386 is about 738.2148264512.

The spelling of 402298386 in words is "four hundred two million, two hundred ninety-eight thousand, three hundred eighty-six".