64535586 has 16 divisors (see below), whose sum is σ = 129794400. Its totient is φ = 21391328.

The previous prime is 64535579. The next prime is 64535617. The reversal of 64535586 is 68553546.

It is a happy number.

64535586 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28971 + ... + 31118.

It is an arithmetic number, because the mean of its divisors is an integer number (8112150).

Almost surely, 2^64535586 is an apocalyptic number.

64535586 is an abundant number, since it is smaller than the sum of its proper divisors (65258814).

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

64535586 is a wasteful number, since it uses less digits than its factorization.

64535586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60273.

The product of its digits is 432000, while the sum is 42.

The square root of 64535586 is about 8033.4043841948. The cubic root of 64535586 is about 401.1127060099.

The spelling of 64535586 in words is "sixty-four million, five hundred thirty-five thousand, five hundred eighty-six".