29989328 has 20 divisors (see below), whose sum is σ = 58249248. Its totient is φ = 14957280.

The previous prime is 29989319. The next prime is 29989331. The reversal of 29989328 is 82398992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4973 + ... + 9203.

Almost surely, 2^29989328 is an apocalyptic number.

It is an amenable number.

29989328 is a deficient number, since it is larger than the sum of its proper divisors (28259920).

29989328 is a wasteful number, since it uses less digits than its factorization.

29989328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4682 (or 4676 counting only the distinct ones).

The product of its digits is 559872, while the sum is 50.

The square root of 29989328 is about 5476.2512725404. The cubic root of 29989328 is about 310.6864013530.

The spelling of 29989328 in words is "twenty-nine million, nine hundred eighty-nine thousand, three hundred twenty-eight".