64328508 has 54 divisors (see below), whose sum is σ = 166827752. Its totient is φ = 20900160.

The previous prime is 64328501. The next prime is 64328513. The reversal of 64328508 is 80582346.

64328508 is a `hidden beast` number, since 643 + 2 + 8 + 5 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64328501) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 59985 + ... + 61047.

Almost surely, 2^64328508 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 64328508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83413876).

64328508 is an abundant number, since it is smaller than the sum of its proper divisors (102499244).

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

64328508 is a wasteful number, since it uses less digits than its factorization.

64328508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155 (or 1109 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 64328508 is about 8020.5054703553. The cubic root of 64328508 is about 400.6832240146.

The spelling of 64328508 in words is "sixty-four million, three hundred twenty-eight thousand, five hundred eight".