29839189 has 4 divisors (see below), whose sum is σ = 29851660. Its totient is φ = 29826720.

The previous prime is 29839181. The next prime is 29839223. The reversal of 29839189 is 98193892.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 21762225 + 8076964 = 4665^2 + 2842^2 .

It is a cyclic number.

It is not a de Polignac number, because 29839189 - 2³ = 29839181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29839181) 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, 1392 + ... + 7849.

It is an arithmetic number, because the mean of its divisors is an integer number (7462915).

Almost surely, 2^29839189 is an apocalyptic number.

It is an amenable number.

29839189 is a deficient number, since it is larger than the sum of its proper divisors (12471).

29839189 is an equidigital number, since it uses as much as digits as its factorization.

29839189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12470.

The product of its digits is 279936, while the sum is 49.

The square root of 29839189 is about 5462.5258809456. The cubic root of 29839189 is about 310.1670587593.

The spelling of 29839189 in words is "twenty-nine million, eight hundred thirty-nine thousand, one hundred eighty-nine".