425389984 has 24 divisors (see below), whose sum is σ = 838044900. Its totient is φ = 212553216.

The previous prime is 425389981. The next prime is 425390051. The reversal of 425389984 is 489983524.

It can be written as a sum of positive squares in 2 ways, for example, as 354493584 + 70896400 = 18828^2 + 8420^2 .

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (425389981) 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, 57742 + ... + 64690.

Almost surely, 2^425389984 is an apocalyptic number.

It is an amenable number.

425389984 is a deficient number, since it is larger than the sum of its proper divisors (412654916).

425389984 is a wasteful number, since it uses less digits than its factorization.

425389984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8872 (or 8864 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 52.

The square root of 425389984 is about 20624.9844606002. The cubic root of 425389984 is about 752.0771951839.

The spelling of 425389984 in words is "four hundred twenty-five million, three hundred eighty-nine thousand, nine hundred eighty-four".