654099992 has 64 divisors (see below), whose sum is σ = 1513512000. Its totient is φ = 258071040.

The previous prime is 654099991. The next prime is 654100001. The reversal of 654099992 is 299990456.

654099992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654099991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334634 + ... + 336582.

It is an arithmetic number, because the mean of its divisors is an integer number (23648625).

Almost surely, 2^654099992 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 654099992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (756756000).

654099992 is an abundant number, since it is smaller than the sum of its proper divisors (859412008).

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

654099992 is a wasteful number, since it uses less digits than its factorization.

654099992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436 (or 2432 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 53.

The square root of 654099992 is about 25575.3786286733. The cubic root of 654099992 is about 868.0566089635.

The spelling of 654099992 in words is "six hundred fifty-four million, ninety-nine thousand, nine hundred ninety-two".