64489586 has 12 divisors (see below), whose sum is σ = 112527918. Its totient is φ = 27638352.

The previous prime is 64489571. The next prime is 64489613. The reversal of 64489586 is 68598446.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 63123025 + 1366561 = 7945^2 + 1169^2 .

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 5 ways as a sum of consecutive naturals, for example, 328931 + ... + 329126.

Almost surely, 2^64489586 is an apocalyptic number.

64489586 is a deficient number, since it is larger than the sum of its proper divisors (48038332).

64489586 is a wasteful number, since it uses less digits than its factorization.

64489586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658073 (or 658066 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 50.

The square root of 64489586 is about 8030.5408286117. The cubic root of 64489586 is about 401.0173809793.

The spelling of 64489586 in words is "sixty-four million, four hundred eighty-nine thousand, five hundred eighty-six".