29996979 has 8 divisors (see below), whose sum is σ = 40021440. Its totient is φ = 19985256.

The previous prime is 29996921. The next prime is 29996983. The reversal of 29996979 is 97969992.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29996979 - 2⁷ = 29996851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29996479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6684 + ... + 10230.

It is an arithmetic number, because the mean of its divisors is an integer number (5002680).

Almost surely, 2^29996979 is an apocalyptic number.

29996979 is a deficient number, since it is larger than the sum of its proper divisors (10024461).

29996979 is a wasteful number, since it uses less digits than its factorization.

29996979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6369.

The product of its digits is 4960116, while the sum is 60.

The square root of 29996979 is about 5476.9497898009. The cubic root of 29996979 is about 310.7128203015.

The spelling of 29996979 in words is "twenty-nine million, nine hundred ninety-six thousand, nine hundred seventy-nine".