64098612 has 18 divisors (see below), whose sum is σ = 162027138. Its totient is φ = 21366192.

The previous prime is 64098611. The next prime is 64098637. The reversal of 64098612 is 21689046.

64098612 is a `hidden beast` number, since 640 + 9 + 8 + 6 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 64064016 + 34596 = 8004^2 + 186^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1780517 = 64098612 / (6 + 4 + 0 + 9 + 8 + 6 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64098611) by changing a digit.

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, 890223 + ... + 890294.

Almost surely, 2^64098612 is an apocalyptic number.

It is an amenable number.

64098612 is an abundant number, since it is smaller than the sum of its proper divisors (97928526).

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

64098612 is a wasteful number, since it uses less digits than its factorization.

64098612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780527 (or 1780522 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 64098612 is about 8006.1608777241. The cubic root of 64098612 is about 400.2053362412.

The spelling of 64098612 in words is "sixty-four million, ninety-eight thousand, six hundred twelve".