426785564 has 12 divisors (see below), whose sum is σ = 765091488. Its totient is φ = 208188000.

The previous prime is 426785563. The next prime is 426785573. The reversal of 426785564 is 465587624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426785563) 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, 1301012 + ... + 1301339.

It is an arithmetic number, because the mean of its divisors is an integer number (63757624).

Almost surely, 2^426785564 is an apocalyptic number.

It is an amenable number.

426785564 is a deficient number, since it is larger than the sum of its proper divisors (338305924).

426785564 is a wasteful number, since it uses less digits than its factorization.

426785564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602396 (or 2602394 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 47.

The square root of 426785564 is about 20658.7890254971. The cubic root of 426785564 is about 752.8987457817.

The spelling of 426785564 in words is "four hundred twenty-six million, seven hundred eighty-five thousand, five hundred sixty-four".