654809472 has 96 divisors (see below), whose sum is σ = 1889629560. Its totient is φ = 217651200.

The previous prime is 654809437. The next prime is 654809501. The reversal of 654809472 is 274908456.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 599647 + ... + 600737.

Almost surely, 2^654809472 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 654809472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (944814780).

654809472 is an abundant number, since it is smaller than the sum of its proper divisors (1234820088).

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

654809472 is a wasteful number, since it uses less digits than its factorization.

654809472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632 (or 1617 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 654809472 is about 25589.2452409210. The cubic root of 654809472 is about 868.3703460444.

The spelling of 654809472 in words is "six hundred fifty-four million, eight hundred nine thousand, four hundred seventy-two".