29979418 has 32 divisors (see below), whose sum is σ = 53895168. Its totient is φ = 12236400.

The previous prime is 29979409. The next prime is 29979431. The reversal of 29979418 is 81497992.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28563 + ... + 29593.

It is an arithmetic number, because the mean of its divisors is an integer number (1684224).

Almost surely, 2^29979418 is an apocalyptic number.

29979418 is a deficient number, since it is larger than the sum of its proper divisors (23915750).

29979418 is a wasteful number, since it uses less digits than its factorization.

29979418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138.

The product of its digits is 326592, while the sum is 49.

The square root of 29979418 is about 5475.3463817370. The cubic root of 29979418 is about 310.6521753839.

The spelling of 29979418 in words is "twenty-nine million, nine hundred seventy-nine thousand, four hundred eighteen".