654984441 has 16 divisors (see below), whose sum is σ = 988657920. Its totient is φ = 428416560.

The previous prime is 654984437. The next prime is 654984469. The reversal of 654984441 is 144489456.

It is not a de Polignac number, because 654984441 - 2² = 654984437 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (654984241) 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, 227425 + ... + 230286.

It is an arithmetic number, because the mean of its divisors is an integer number (61791120).

Almost surely, 2^654984441 is an apocalyptic number.

It is an amenable number.

654984441 is a deficient number, since it is larger than the sum of its proper divisors (333673479).

654984441 is a wasteful number, since it uses less digits than its factorization.

654984441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457773 (or 457767 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 654984441 is about 25592.6638121162. The cubic root of 654984441 is about 868.4476837366.

The spelling of 654984441 in words is "six hundred fifty-four million, nine hundred eighty-four thousand, four hundred forty-one".