29189923 has 8 divisors (see below), whose sum is σ = 33457248. Its totient is φ = 24946944.

The previous prime is 29189887. The next prime is 29189959. The reversal of 29189923 is 32998192.

It is an interprime number because it is at equal distance from previous prime (29189887) and next prime (29189959).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29189923 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 29189923.

It is not an unprimeable number, because it can be changed into a prime (29189723) 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, 3436 + ... + 8377.

It is an arithmetic number, because the mean of its divisors is an integer number (4182156).

Almost surely, 2^29189923 is an apocalyptic number.

29189923 is a deficient number, since it is larger than the sum of its proper divisors (4267325).

29189923 is a wasteful number, since it uses less digits than its factorization.

29189923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12173.

The product of its digits is 69984, while the sum is 43.

The square root of 29189923 is about 5402.7699377264. The cubic root of 29189923 is about 307.9009175583.

The spelling of 29189923 in words is "twenty-nine million, one hundred eighty-nine thousand, nine hundred twenty-three".