654144328 has 16 divisors (see below), whose sum is σ = 1247310000. Its totient is φ = 321528336.

The previous prime is 654144319. The next prime is 654144341. The reversal of 654144328 is 823441456.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692478 + ... + 693421.

It is an arithmetic number, because the mean of its divisors is an integer number (77956875).

Almost surely, 2^654144328 is an apocalyptic number.

It is an amenable number.

654144328 is a deficient number, since it is larger than the sum of its proper divisors (593165672).

654144328 is a wasteful number, since it uses less digits than its factorization.

654144328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385964 (or 1385960 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The square root of 654144328 is about 25576.2453851225. The cubic root of 654144328 is about 868.0762213004.

The spelling of 654144328 in words is "six hundred fifty-four million, one hundred forty-four thousand, three hundred twenty-eight".