29979916 has 12 divisors (see below), whose sum is σ = 53883088. Its totient is φ = 14584752.

The previous prime is 29979907. The next prime is 29979919. The reversal of 29979916 is 61997992.

It is not an unprimeable number, because it can be changed into a prime (29979919) 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, 101136 + ... + 101431.

Almost surely, 2^29979916 is an apocalyptic number.

It is an amenable number.

29979916 is a deficient number, since it is larger than the sum of its proper divisors (23903172).

29979916 is a wasteful number, since it uses less digits than its factorization.

29979916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202608 (or 202606 counting only the distinct ones).

The product of its digits is 551124, while the sum is 52.

The square root of 29979916 is about 5475.3918581230. The cubic root of 29979916 is about 310.6538954965.

The spelling of 29979916 in words is "twenty-nine million, nine hundred seventy-nine thousand, nine hundred sixteen".