426819672 has 32 divisors (see below), whose sum is σ = 1185610800. Its totient is φ = 142273152.

The previous prime is 426819641. The next prime is 426819707. The reversal of 426819672 is 276918624.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 987793 + ... + 988224.

Almost surely, 2^426819672 is an apocalyptic number.

It is an amenable number.

426819672 is an abundant number, since it is smaller than the sum of its proper divisors (758791128).

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

426819672 is a wasteful number, since it uses less digits than its factorization.

426819672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976032 (or 1976022 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 426819672 is about 20659.6145172169. The cubic root of 426819672 is about 752.9188020571.

The spelling of 426819672 in words is "four hundred twenty-six million, eight hundred nineteen thousand, six hundred seventy-two".