29934391 has 4 divisors (see below), whose sum is σ = 30132784. Its totient is φ = 29736000.

The previous prime is 29934379. The next prime is 29934413. The reversal of 29934391 is 19343992.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29934391 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 (29934341) 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, 98970 + ... + 99271.

It is an arithmetic number, because the mean of its divisors is an integer number (7533196).

Almost surely, 2^29934391 is an apocalyptic number.

29934391 is a deficient number, since it is larger than the sum of its proper divisors (198393).

29934391 is a wasteful number, since it uses less digits than its factorization.

29934391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198392.

The product of its digits is 52488, while the sum is 40.

The square root of 29934391 is about 5471.2330420116. The cubic root of 29934391 is about 310.4965714712.

The spelling of 29934391 in words is "twenty-nine million, nine hundred thirty-four thousand, three hundred ninety-one".