426947660 has 24 divisors (see below), whose sum is σ = 897456336. Its totient is φ = 170614080.

The previous prime is 426947629. The next prime is 426947681. The reversal of 426947660 is 66749624.

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, 12095 + ... + 31625.

It is an arithmetic number, because the mean of its divisors is an integer number (37394014).

Almost surely, 2^426947660 is an apocalyptic number.

It is an amenable number.

426947660 is an abundant number, since it is smaller than the sum of its proper divisors (470508676).

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

426947660 is a wasteful number, since it uses less digits than its factorization.

426947660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20633 (or 20631 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 44.

The square root of 426947660 is about 20662.7118258955. The cubic root of 426947660 is about 752.9940523696.

The spelling of 426947660 in words is "four hundred twenty-six million, nine hundred forty-seven thousand, six hundred sixty".