426646344 has 32 divisors (see below), whose sum is σ = 1091423520. Its totient is φ = 138907776.

The previous prime is 426646333. The next prime is 426646351. The reversal of 426646344 is 443646624.

It is a nude number because it is divisible by every one of its digits.

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, 205677 + ... + 207740.

It is an arithmetic number, because the mean of its divisors is an integer number (34106985).

Almost surely, 2^426646344 is an apocalyptic number.

It is an amenable number.

426646344 is an abundant number, since it is smaller than the sum of its proper divisors (664777176).

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

426646344 is a wasteful number, since it uses less digits than its factorization.

426646344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413469 (or 413465 counting only the distinct ones).

The product of its digits is 331776, while the sum is 39.

The square root of 426646344 is about 20655.4192404802. The cubic root of 426646344 is about 752.8168701891.

The spelling of 426646344 in words is "four hundred twenty-six million, six hundred forty-six thousand, three hundred forty-four".