426831492 has 12 divisors (see below), whose sum is σ = 995940176. Its totient is φ = 142277160.

The previous prime is 426831463. The next prime is 426831499. The reversal of 426831492 is 294138624.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 426831492.

It is not an unprimeable number, because it can be changed into a prime (426831499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17784634 + ... + 17784657.

Almost surely, 2^426831492 is an apocalyptic number.

It is an amenable number.

426831492 is an abundant number, since it is smaller than the sum of its proper divisors (569108684).

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

426831492 is a wasteful number, since it uses less digits than its factorization.

426831492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35569298 (or 35569296 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 426831492 is about 20659.9005805933. The cubic root of 426831492 is about 752.9257522351.

The spelling of 426831492 in words is "four hundred twenty-six million, eight hundred thirty-one thousand, four hundred ninety-two".