64989104 has 20 divisors (see below), whose sum is σ = 126145200. Its totient is φ = 32435520.

The previous prime is 64989103. The next prime is 64989143. The reversal of 64989104 is 40198946.

It is not an unprimeable number, because it can be changed into a prime (64989103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6194 + ... + 12974.

It is an arithmetic number, because the mean of its divisors is an integer number (6307260).

Almost surely, 2^64989104 is an apocalyptic number.

It is an amenable number.

64989104 is a deficient number, since it is larger than the sum of its proper divisors (61156096).

64989104 is a wasteful number, since it uses less digits than its factorization.

64989104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7388 (or 7382 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 64989104 is about 8061.5819787434. The cubic root of 64989104 is about 402.0501080250.

The spelling of 64989104 in words is "sixty-four million, nine hundred eighty-nine thousand, one hundred four".