654343228 has 24 divisors (see below), whose sum is σ = 1427658624. Its totient is φ = 254938800.

The previous prime is 654343213. The next prime is 654343229. The reversal of 654343228 is 822343456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654343229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1061938 + ... + 1062553.

It is an arithmetic number, because the mean of its divisors is an integer number (59485776).

Almost surely, 2^654343228 is an apocalyptic number.

It is an amenable number.

654343228 is an abundant number, since it is smaller than the sum of its proper divisors (773315396).

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

654343228 is a wasteful number, since it uses less digits than its factorization.

654343228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124513 (or 2124511 counting only the distinct ones).

The product of its digits is 138240, while the sum is 37.

The square root of 654343228 is about 25580.1334632953. The cubic root of 654343228 is about 868.1641951905.

The spelling of 654343228 in words is "six hundred fifty-four million, three hundred forty-three thousand, two hundred twenty-eight".