64338328 has 24 divisors (see below), whose sum is σ = 121795380. Its totient is φ = 31862000.

The previous prime is 64338293. The next prime is 64338341. The reversal of 64338328 is 82383346.

Its product of digits (82944) is a multiple of the sum of its prime divisors (432).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 256203 + ... + 256453.

Almost surely, 2^64338328 is an apocalyptic number.

It is an amenable number.

64338328 is a deficient number, since it is larger than the sum of its proper divisors (57457052).

64338328 is a wasteful number, since it uses less digits than its factorization.

64338328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615 (or 432 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 64338328 is about 8021.1176278621. The cubic root of 64338328 is about 400.7036116011.

It can be divided in two parts, 6 and 4338328, that added together give a palindrome (4338334).

The spelling of 64338328 in words is "sixty-four million, three hundred thirty-eight thousand, three hundred twenty-eight".