29479899 has 4 divisors (see below), whose sum is σ = 39306536. Its totient is φ = 19653264.

The previous prime is 29479883. The next prime is 29479903. The reversal of 29479899 is 99897492.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 29479899 - 2⁴ = 29479883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29479829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4913314 + ... + 4913319.

It is an arithmetic number, because the mean of its divisors is an integer number (9826634).

Almost surely, 2^29479899 is an apocalyptic number.

29479899 is a deficient number, since it is larger than the sum of its proper divisors (9826637).

29479899 is an equidigital number, since it uses as much as digits as its factorization.

29479899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9826636.

The product of its digits is 2939328, while the sum is 57.

The square root of 29479899 is about 5429.5394832343. The cubic root of 29479899 is about 308.9171340723.

The spelling of 29479899 in words is "twenty-nine million, four hundred seventy-nine thousand, eight hundred ninety-nine".