64384224 has 24 divisors (see below), whose sum is σ = 169008840. Its totient is φ = 21461376.

The previous prime is 64384223. The next prime is 64384231. The reversal of 64384224 is 42248346.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64384223) 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, 335239 + ... + 335430.

It is an arithmetic number, because the mean of its divisors is an integer number (7042035).

Almost surely, 2^64384224 is an apocalyptic number.

It is an amenable number.

64384224 is an abundant number, since it is smaller than the sum of its proper divisors (104624616).

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

64384224 is a wasteful number, since it uses less digits than its factorization.

64384224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670682 (or 670674 counting only the distinct ones).

The product of its digits is 36864, while the sum is 33.

The square root of 64384224 is about 8023.9780657726. The cubic root of 64384224 is about 400.7988701208.

The spelling of 64384224 in words is "sixty-four million, three hundred eighty-four thousand, two hundred twenty-four".