654873944 has 16 divisors (see below), whose sum is σ = 1231841520. Its totient is φ = 326382880.

The previous prime is 654873943. The next prime is 654873991. The reversal of 654873944 is 449378456.

It is a junction number, because it is equal to n+sod(n) for n = 654873892 and 654873901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654873943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129119 + ... + 134094.

It is an arithmetic number, because the mean of its divisors is an integer number (76990095).

Almost surely, 2^654873944 is an apocalyptic number.

It is an amenable number.

654873944 is a deficient number, since it is larger than the sum of its proper divisors (576967576).

654873944 is a wasteful number, since it uses less digits than its factorization.

654873944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263530 (or 263526 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 50.

The square root of 654873944 is about 25590.5049578941. The cubic root of 654873944 is about 868.3988447849.

The spelling of 654873944 in words is "six hundred fifty-four million, eight hundred seventy-three thousand, nine hundred forty-four".