64500486 has 16 divisors (see below), whose sum is σ = 129103104. Its totient is φ = 21483144.

The previous prime is 64500481. The next prime is 64500521. The reversal of 64500486 is 68400546.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64500481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5775 + ... + 12741.

It is an arithmetic number, because the mean of its divisors is an integer number (8068944).

Almost surely, 2^64500486 is an apocalyptic number.

64500486 is an abundant number, since it is smaller than the sum of its proper divisors (64602618).

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

64500486 is a wasteful number, since it uses less digits than its factorization.

64500486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8515.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 64500486 is about 8031.2194590859. The cubic root of 64500486 is about 401.0399729640.

Subtracting from 64500486 its product of nonzero digits (23040), we obtain a palindrome (64477446).

The spelling of 64500486 in words is "sixty-four million, five hundred thousand, four hundred eighty-six".