426725238 has 32 divisors (see below), whose sum is σ = 860906592. Its totient is φ = 141004800.

The previous prime is 426725231. The next prime is 426725251. The reversal of 426725238 is 832527624.

Its product of digits (161280) is a multiple of the sum of its prime divisors (1440).

It is a junction number, because it is equal to n+sod(n) for n = 426725196 and 426725205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426725231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 665398 + ... + 666038.

It is an arithmetic number, because the mean of its divisors is an integer number (26903331).

Almost surely, 2^426725238 is an apocalyptic number.

426725238 is an abundant number, since it is smaller than the sum of its proper divisors (434181354).

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

426725238 is a wasteful number, since it uses less digits than its factorization.

426725238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440.

The product of its digits is 161280, while the sum is 39.

The square root of 426725238 is about 20657.3289173601. The cubic root of 426725238 is about 752.8632701129.

The spelling of 426725238 in words is "four hundred twenty-six million, seven hundred twenty-five thousand, two hundred thirty-eight".