426988872 has 24 divisors (see below), whose sum is σ = 1156428390. Its totient is φ = 142329600.

The previous prime is 426988831. The next prime is 426988879. The reversal of 426988872 is 278889624.

It can be written as a sum of positive squares in only one way, i.e., 373494276 + 53494596 = 19326^2 + 7314^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (426988879) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2965129 + ... + 2965272.

Almost surely, 2^426988872 is an apocalyptic number.

It is an amenable number.

426988872 is an abundant number, since it is smaller than the sum of its proper divisors (729439518).

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

426988872 is a wasteful number, since it uses less digits than its factorization.

426988872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5930413 (or 5930406 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The square root of 426988872 is about 20663.7090571853. The cubic root of 426988872 is about 753.0182796894.

The spelling of 426988872 in words is "four hundred twenty-six million, nine hundred eighty-eight thousand, eight hundred seventy-two".