654834128 has 40 divisors (see below), whose sum is σ = 1368016608. Its totient is φ = 301859712.

The previous prime is 654834119. The next prime is 654834137. The reversal of 654834128 is 821438456.

It is an interprime number because it is at equal distance from previous prime (654834119) and next prime (654834137).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240551 + ... + 243257.

Almost surely, 2^654834128 is an apocalyptic number.

It is an amenable number.

654834128 is an abundant number, since it is smaller than the sum of its proper divisors (713182480).

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

654834128 is a wasteful number, since it uses less digits than its factorization.

654834128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3891 (or 3885 counting only the distinct ones).

The product of its digits is 184320, while the sum is 41.

The square root of 654834128 is about 25589.7270012792. The cubic root of 654834128 is about 868.3812450267.

The spelling of 654834128 in words is "six hundred fifty-four million, eight hundred thirty-four thousand, one hundred twenty-eight".