29485979 has 4 divisors (see below), whose sum is σ = 29502480. Its totient is φ = 29469480.

The previous prime is 29485969. The next prime is 29485987. The reversal of 29485979 is 97958492.

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

It is a cyclic number.

It is not a de Polignac number, because 29485979 - 2²⁰ = 28437403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29485979.

It is not an unprimeable number, because it can be changed into a prime (29485919) 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, 5192 + ... + 9269.

It is an arithmetic number, because the mean of its divisors is an integer number (7375620).

Almost surely, 2^29485979 is an apocalyptic number.

29485979 is a deficient number, since it is larger than the sum of its proper divisors (16501).

29485979 is a wasteful number, since it uses less digits than its factorization.

29485979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16500.

The product of its digits is 1632960, while the sum is 53.

The square root of 29485979 is about 5430.0993545238. The cubic root of 29485979 is about 308.9383698650.

The spelling of 29485979 in words is "twenty-nine million, four hundred eighty-five thousand, nine hundred seventy-nine".