654462656 has 56 divisors (see below), whose sum is σ = 1345320144. Its totient is φ = 315694080.

The previous prime is 654462647. The next prime is 654462701. The reversal of 654462656 is 656264456.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 205331 + ... + 208493.

It is an arithmetic number, because the mean of its divisors is an integer number (24023574).

Almost surely, 2^654462656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 654462656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (672660072).

654462656 is an abundant number, since it is smaller than the sum of its proper divisors (690857488).

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

654462656 is a wasteful number, since it uses less digits than its factorization.

654462656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3289 (or 3279 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 44.

The square root of 654462656 is about 25582.4677464861. The cubic root of 654462656 is about 868.2170098815.

The spelling of 654462656 in words is "six hundred fifty-four million, four hundred sixty-two thousand, six hundred fifty-six".