29939 has 12 divisors (see below), whose sum is σ = 38304. Its totient is φ = 23184.

The previous prime is 29927. The next prime is 29947. The reversal of 29939 is 93992.

It is not a de Polignac number, because 29939 - 2⁸ = 29683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29959) 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, 614 + ... + 660.

It is an arithmetic number, because the mean of its divisors is an integer number (3192).

2²⁹⁹³⁹ is an apocalyptic number.

29939 is a deficient number, since it is larger than the sum of its proper divisors (8365).

29939 is a wasteful number, since it uses less digits than its factorization.

29939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 67 counting only the distinct ones).

The product of its digits is 4374, while the sum is 32.

The square root of 29939 is about 173.0288993203. The cubic root of 29939 is about 31.0512506379.

The spelling of 29939 in words is "twenty-nine thousand, nine hundred thirty-nine".