64402484 has 12 divisors (see below), whose sum is σ = 117604704. Its totient is φ = 30801144.

The previous prime is 64402483. The next prime is 64402487. The reversal of 64402484 is 48420446.

It is a self number, because there is not a number n which added to its sum of digits gives 64402484.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64402483) 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, 349922 + ... + 350105.

It is an arithmetic number, because the mean of its divisors is an integer number (9800392).

Almost surely, 2^64402484 is an apocalyptic number.

It is an amenable number.

64402484 is a deficient number, since it is larger than the sum of its proper divisors (53202220).

64402484 is a wasteful number, since it uses less digits than its factorization.

64402484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700054 (or 700052 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

The square root of 64402484 is about 8025.1158247093. The cubic root of 64402484 is about 400.8367567083.

The spelling of 64402484 in words is "sixty-four million, four hundred two thousand, four hundred eighty-four".