30488984 has 16 divisors (see below), whose sum is σ = 59652720. Its totient is φ = 14581600.

The previous prime is 30488981. The next prime is 30489031. The reversal of 30488984 is 48988403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30488981) 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, 82667 + ... + 83034.

It is an arithmetic number, because the mean of its divisors is an integer number (3728295).

Almost surely, 2^30488984 is an apocalyptic number.

It is an amenable number.

30488984 is a deficient number, since it is larger than the sum of its proper divisors (29163736).

30488984 is a wasteful number, since it uses less digits than its factorization.

30488984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165730 (or 165726 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 30488984 is about 5521.6830767439. The cubic root of 30488984 is about 312.4023682209.

The spelling of 30488984 in words is "thirty million, four hundred eighty-eight thousand, nine hundred eighty-four".