29918 has 8 divisors (see below), whose sum is σ = 51312. Its totient is φ = 12816.

The previous prime is 29917. The next prime is 29921. The reversal of 29918 is 81992.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 29918.

It is not an unprimeable number, because it can be changed into a prime (29917) 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, 1055 + ... + 1082.

It is an arithmetic number, because the mean of its divisors is an integer number (6414).

2²⁹⁹¹⁸ is an apocalyptic number.

29918 is a deficient number, since it is larger than the sum of its proper divisors (21394).

29918 is a wasteful number, since it uses less digits than its factorization.

29918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2146.

The product of its digits is 1296, while the sum is 29.

The square root of 29918 is about 172.9682051708. The cubic root of 29918 is about 31.0439888858.

The spelling of 29918 in words is "twenty-nine thousand, nine hundred eighteen".