654643376 has 10 divisors (see below), whose sum is σ = 1268371572. Its totient is φ = 327321680.

The previous prime is 654643343. The next prime is 654643417. The reversal of 654643376 is 673346456.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20457590 + ... + 20457621.

Almost surely, 2^654643376 is an apocalyptic number.

It is an amenable number.

654643376 is a deficient number, since it is larger than the sum of its proper divisors (613728196).

654643376 is a wasteful number, since it uses less digits than its factorization.

654643376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40915219 (or 40915213 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 44.

The square root of 654643376 is about 25585.9996091613. Note that the first 3 decimals coincide. The cubic root of 654643376 is about 868.2969175414.

The spelling of 654643376 in words is "six hundred fifty-four million, six hundred forty-three thousand, three hundred seventy-six".