425944686 has 32 divisors (see below), whose sum is σ = 861643008. Its totient is φ = 140362880.

The previous prime is 425944669. The next prime is 425944699. The reversal of 425944686 is 686449524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438181 + ... + 439151.

It is an arithmetic number, because the mean of its divisors is an integer number (26926344).

Almost surely, 2^425944686 is an apocalyptic number.

425944686 is an abundant number, since it is smaller than the sum of its proper divisors (435698322).

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

425944686 is a wasteful number, since it uses less digits than its factorization.

425944686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736.

The product of its digits is 1658880, while the sum is 48.

The square root of 425944686 is about 20638.4274110214. The cubic root of 425944686 is about 752.4039522301.

The spelling of 425944686 in words is "four hundred twenty-five million, nine hundred forty-four thousand, six hundred eighty-six".