64649304 has 24 divisors (see below), whose sum is σ = 175092060. Its totient is φ = 21549744.

The previous prime is 64649287. The next prime is 64649359. The reversal of 64649304 is 40394646.

64649304 is a `hidden beast` number, since 6 + 4 + 649 + 3 + 0 + 4 = 666.

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

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

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, 448882 + ... + 449025.

Almost surely, 2^64649304 is an apocalyptic number.

It is an amenable number.

64649304 is an abundant number, since it is smaller than the sum of its proper divisors (110442756).

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

64649304 is a wasteful number, since it uses less digits than its factorization.

64649304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897919 (or 897912 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 64649304 is about 8040.4790902035. The cubic root of 64649304 is about 401.3481676716.

The spelling of 64649304 in words is "sixty-four million, six hundred forty-nine thousand, three hundred four".