654964596 has 96 divisors (see below), whose sum is σ = 1994966400. Its totient is φ = 183202560.

The previous prime is 654964591. The next prime is 654964613. The reversal of 654964596 is 695469456.

654964596 is a `hidden beast` number, since 6 + 5 + 49 + 6 + 4 + 596 = 666.

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 (654964591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5761 + ... + 36648.

It is an arithmetic number, because the mean of its divisors is an integer number (20780900).

Almost surely, 2^654964596 is an apocalyptic number.

654964596 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 654964596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (997483200).

654964596 is an abundant number, since it is smaller than the sum of its proper divisors (1340001804).

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

654964596 is a wasteful number, since it uses less digits than its factorization.

654964596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42446 (or 42438 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 54.

The square root of 654964596 is about 25592.2761004175. The cubic root of 654964596 is about 868.4389127810.

The spelling of 654964596 in words is "six hundred fifty-four million, nine hundred sixty-four thousand, five hundred ninety-six".