426656972 has 24 divisors (see below), whose sum is σ = 853891584. Its totient is φ = 182729232.

The previous prime is 426656941. The next prime is 426657031. The reversal of 426656972 is 279656624.

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, 45773 + ... + 54299.

It is an arithmetic number, because the mean of its divisors is an integer number (35578816).

Almost surely, 2^426656972 is an apocalyptic number.

It is an amenable number.

426656972 is an abundant number, since it is smaller than the sum of its proper divisors (427234612).

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

426656972 is a wasteful number, since it uses less digits than its factorization.

426656972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10325 (or 10323 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 47.

The square root of 426656972 is about 20655.6765079239. The cubic root of 426656972 is about 752.8231211675.

The spelling of 426656972 in words is "four hundred twenty-six million, six hundred fifty-six thousand, nine hundred seventy-two".