29942 has 8 divisors (see below), whose sum is σ = 49032. Its totient is φ = 13600.

The previous prime is 29927. The next prime is 29947. The reversal of 29942 is 24992.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29947) by changing a digit.

29942 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 659 + ... + 702.

It is an arithmetic number, because the mean of its divisors is an integer number (6129).

2²⁹⁹⁴² is an apocalyptic number.

29942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

29942 is a deficient number, since it is larger than the sum of its proper divisors (19090).

29942 is a wasteful number, since it uses less digits than its factorization.

29942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374.

The product of its digits is 1296, while the sum is 26.

The square root of 29942 is about 173.0375681752. The cubic root of 29942 is about 31.0522877538.

Subtracting from 29942 its reverse (24992), we obtain a triangular number (4950 = T₉₉).

The spelling of 29942 in words is "twenty-nine thousand, nine hundred forty-two".