29968686 has 24 divisors (see below), whose sum is σ = 70835544. Its totient is φ = 9081360.

The previous prime is 29968669. The next prime is 29968709. The reversal of 29968686 is 68686992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75481 + ... + 75876.

It is an arithmetic number, because the mean of its divisors is an integer number (2951481).

Almost surely, 2^29968686 is an apocalyptic number.

29968686 is an abundant number, since it is smaller than the sum of its proper divisors (40866858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29968686 is a wasteful number, since it uses less digits than its factorization.

29968686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151376 (or 151373 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 29968686 is about 5474.3662646922. The cubic root of 29968686 is about 310.6151019818.

The spelling of 29968686 in words is "twenty-nine million, nine hundred sixty-eight thousand, six hundred eighty-six".