64324238 has 16 divisors (see below), whose sum is σ = 109835136. Its totient is φ = 27966840.

The previous prime is 64324237. The next prime is 64324283. The reversal of 64324238 is 83242346.

64324238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64324237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63056 + ... + 64067.

It is an arithmetic number, because the mean of its divisors is an integer number (6864696).

Almost surely, 2^64324238 is an apocalyptic number.

64324238 is a deficient number, since it is larger than the sum of its proper divisors (45510898).

64324238 is a wasteful number, since it uses less digits than its factorization.

64324238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127159.

The product of its digits is 27648, while the sum is 32.

The square root of 64324238 is about 8020.2392732387. The cubic root of 64324238 is about 400.6743582967.

The spelling of 64324238 in words is "sixty-four million, three hundred twenty-four thousand, two hundred thirty-eight".