30989344 has 24 divisors (see below), whose sum is σ = 61136208. Its totient is φ = 15462720.

The previous prime is 30989341. The next prime is 30989347. The reversal of 30989344 is 44398903.

It is an interprime number because it is at equal distance from previous prime (30989341) and next prime (30989347).

It is a junction number, because it is equal to n+sod(n) for n = 30989297 and 30989306.

It is not an unprimeable number, because it can be changed into a prime (30989341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25879 + ... + 27049.

It is an arithmetic number, because the mean of its divisors is an integer number (2547342).

Almost surely, 2^30989344 is an apocalyptic number.

It is an amenable number.

30989344 is a deficient number, since it is larger than the sum of its proper divisors (30146864).

30989344 is a wasteful number, since it uses less digits than its factorization.

30989344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008 (or 2000 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 30989344 is about 5566.8073435318. The cubic root of 30989344 is about 314.1020669719.

The spelling of 30989344 in words is "thirty million, nine hundred eighty-nine thousand, three hundred forty-four".