29971299 has 8 divisors (see below), whose sum is σ = 40207552. Its totient is φ = 19857960.

The previous prime is 29971267. The next prime is 29971339. The reversal of 29971299 is 99217992.

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

It is not a de Polignac number, because 29971299 - 2⁵ = 29971267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29971229) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 30157 + ... + 31134.

It is an arithmetic number, because the mean of its divisors is an integer number (5025944).

Almost surely, 2^29971299 is an apocalyptic number.

29971299 is a deficient number, since it is larger than the sum of its proper divisors (10236253).

29971299 is a wasteful number, since it uses less digits than its factorization.

29971299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61457.

The product of its digits is 183708, while the sum is 48.

The square root of 29971299 is about 5474.6049172520. The cubic root of 29971299 is about 310.6241293343.

The spelling of 29971299 in words is "twenty-nine million, nine hundred seventy-one thousand, two hundred ninety-nine".