426961256 has 16 divisors (see below), whose sum is σ = 847643940. Its totient is φ = 200922880.

The previous prime is 426961247. The next prime is 426961279. The reversal of 426961256 is 652169624.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 426422500 + 538756 = 20650^2 + 734^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1569575 + ... + 1569846.

Almost surely, 2^426961256 is an apocalyptic number.

It is an amenable number.

426961256 is a deficient number, since it is larger than the sum of its proper divisors (420682684).

426961256 is a wasteful number, since it uses less digits than its factorization.

426961256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3139444 (or 3139440 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The square root of 426961256 is about 20663.0408217184. The cubic root of 426961256 is about 753.0020452295.

The spelling of 426961256 in words is "four hundred twenty-six million, nine hundred sixty-one thousand, two hundred fifty-six".