64408304 has 40 divisors (see below), whose sum is σ = 130229760. Its totient is φ = 30820608.

The previous prime is 64408277. The next prime is 64408313. The reversal of 64408304 is 40380446.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58382 + ... + 59474.

It is an arithmetic number, because the mean of its divisors is an integer number (3255744).

Almost surely, 2^64408304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64408304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65114880).

64408304 is an abundant number, since it is smaller than the sum of its proper divisors (65821456).

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

64408304 is a wasteful number, since it uses less digits than its factorization.

64408304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257 (or 1251 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 64408304 is about 8025.4784281063. The cubic root of 64408304 is about 400.8488307750.

The spelling of 64408304 in words is "sixty-four million, four hundred eight thousand, three hundred four".