29384139 has 4 divisors (see below), whose sum is σ = 39178856. Its totient is φ = 19589424.

The previous prime is 29384059. The next prime is 29384189. The reversal of 29384139 is 93148392.

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

It is not a de Polignac number, because 29384139 - 2¹³ = 29375947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29384097 and 29384106.

It is not an unprimeable number, because it can be changed into a prime (29384189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4897354 + ... + 4897359.

It is an arithmetic number, because the mean of its divisors is an integer number (9794714).

Almost surely, 2^29384139 is an apocalyptic number.

29384139 is a deficient number, since it is larger than the sum of its proper divisors (9794717).

29384139 is an equidigital number, since it uses as much as digits as its factorization.

29384139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9794716.

The product of its digits is 46656, while the sum is 39.

The square root of 29384139 is about 5420.7138828756. The cubic root of 29384139 is about 308.5822845179.

The spelling of 29384139 in words is "twenty-nine million, three hundred eighty-four thousand, one hundred thirty-nine".