64489804 has 12 divisors (see below), whose sum is σ = 113032528. Its totient is φ = 32194800.

The previous prime is 64489793. The next prime is 64489811. The reversal of 64489804 is 40898446.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9552 + ... + 14839.

Almost surely, 2^64489804 is an apocalyptic number.

It is an amenable number.

64489804 is a deficient number, since it is larger than the sum of its proper divisors (48542724).

64489804 is a wasteful number, since it uses less digits than its factorization.

64489804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25056 (or 25054 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 64489804 is about 8030.5544017832. The cubic root of 64489804 is about 401.0178328440.

The spelling of 64489804 in words is "sixty-four million, four hundred eighty-nine thousand, eight hundred four".