29989628 has 6 divisors (see below), whose sum is σ = 52481856. Its totient is φ = 14994812.

The previous prime is 29989601. The next prime is 29989633. The reversal of 29989628 is 82698992.

It is a self number, because there is not a number n which added to its sum of digits gives 29989628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3748700 + ... + 3748707.

It is an arithmetic number, because the mean of its divisors is an integer number (8746976).

Almost surely, 2^29989628 is an apocalyptic number.

It is an amenable number.

29989628 is a deficient number, since it is larger than the sum of its proper divisors (22492228).

29989628 is a wasteful number, since it uses less digits than its factorization.

29989628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7497411 (or 7497409 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 53.

The square root of 29989628 is about 5476.2786634721. The cubic root of 29989628 is about 310.6874373394.

The spelling of 29989628 in words is "twenty-nine million, nine hundred eighty-nine thousand, six hundred twenty-eight".