64798488 has 32 divisors (see below), whose sum is σ = 179996400. Its totient is φ = 21599424.

The previous prime is 64798483. The next prime is 64798511. The reversal of 64798488 is 88489746.

It is a super-2 number, since 2×64798488² = 8397688094172288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64798483) 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, 149781 + ... + 150212.

Almost surely, 2^64798488 is an apocalyptic number.

It is an amenable number.

64798488 is an abundant number, since it is smaller than the sum of its proper divisors (115197912).

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

64798488 is a wasteful number, since it uses less digits than its factorization.

64798488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300008 (or 299998 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The square root of 64798488 is about 8049.7508035963. The cubic root of 64798488 is about 401.6566460046.

The spelling of 64798488 in words is "sixty-four million, seven hundred ninety-eight thousand, four hundred eighty-eight".