29818189 has 12 divisors (see below), whose sum is σ = 32012064. Its totient is φ = 27721584.

The previous prime is 29818183. The next prime is 29818231. The reversal of 29818189 is 98181892.

It is not a de Polignac number, because 29818189 - 2²³ = 21429581 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29818183) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31014 + ... + 31960.

It is an arithmetic number, because the mean of its divisors is an integer number (2667672).

Almost surely, 2^29818189 is an apocalyptic number.

It is an amenable number.

29818189 is a deficient number, since it is larger than the sum of its proper divisors (2193875).

29818189 is an equidigital number, since it uses as much as digits as its factorization.

29818189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044 (or 1007 counting only the distinct ones).

The product of its digits is 82944, while the sum is 46.

The square root of 29818189 is about 5460.6033549416. The cubic root of 29818189 is about 310.0942793367.

The spelling of 29818189 in words is "twenty-nine million, eight hundred eighteen thousand, one hundred eighty-nine".