426670624 has 24 divisors (see below), whose sum is σ = 889421148. Its totient is φ = 200785920.

The previous prime is 426670609. The next prime is 426670627. The reversal of 426670624 is 426076624.

It can be written as a sum of positive squares in 2 ways, for example, as 421563024 + 5107600 = 20532^2 + 2260^2 .

It is not an unprimeable number, because it can be changed into a prime (426670627) 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, 391617 + ... + 392704.

Almost surely, 2^426670624 is an apocalyptic number.

It is an amenable number.

426670624 is an abundant number, since it is smaller than the sum of its proper divisors (462750524).

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

426670624 is a wasteful number, since it uses less digits than its factorization.

426670624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784348 (or 784340 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 426670624 is about 20656.0069713389. The cubic root of 426670624 is about 752.8311505934.

The spelling of 426670624 in words is "four hundred twenty-six million, six hundred seventy thousand, six hundred twenty-four".