29986864 has 20 divisors (see below), whose sum is σ = 61158040. Its totient is φ = 14204160.

The previous prime is 29986849. The next prime is 29986903. The reversal of 29986864 is 46868992.

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, 49017 + ... + 49624.

It is an arithmetic number, because the mean of its divisors is an integer number (3057902).

Almost surely, 2^29986864 is an apocalyptic number.

It is an amenable number.

29986864 is an abundant number, since it is smaller than the sum of its proper divisors (31171176).

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

29986864 is a wasteful number, since it uses less digits than its factorization.

29986864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98668 (or 98662 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 52.

The square root of 29986864 is about 5476.0262965037. The cubic root of 29986864 is about 310.6778921898.

The spelling of 29986864 in words is "twenty-nine million, nine hundred eighty-six thousand, eight hundred sixty-four".