426939620 has 12 divisors (see below), whose sum is σ = 896573244. Its totient is φ = 170775840.

The previous prime is 426939619. The next prime is 426939629. The reversal of 426939620 is 26939624.

It can be written as a sum of positive squares in 2 ways, for example, as 280093696 + 146845924 = 16736^2 + 12118^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (426939629) 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, 10673471 + ... + 10673510.

It is an arithmetic number, because the mean of its divisors is an integer number (74714437).

Almost surely, 2^426939620 is an apocalyptic number.

It is an amenable number.

426939620 is an abundant number, since it is smaller than the sum of its proper divisors (469633624).

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

426939620 is a wasteful number, since it uses less digits than its factorization.

426939620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21346990 (or 21346988 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 426939620 is about 20662.5172716201. The cubic root of 426939620 is about 752.9893257089.

The spelling of 426939620 in words is "four hundred twenty-six million, nine hundred thirty-nine thousand, six hundred twenty".