29998 has 8 divisors (see below), whose sum is σ = 46008. Its totient is φ = 14664.

The previous prime is 29989. The next prime is 30011. The reversal of 29998 is 89992.

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

It is a fibodiv number, since the Fibonacci-like sequence with seeds 2 and 9998 contains 29998 itself.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36 + ... + 247.

It is an arithmetic number, because the mean of its divisors is an integer number (5751).

2²⁹⁹⁹⁸ is an apocalyptic number.

29998 is a deficient number, since it is larger than the sum of its proper divisors (16010).

29998 is a wasteful number, since it uses less digits than its factorization.

29998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338.

The product of its digits is 11664, while the sum is 37.

The square root of 29998 is about 173.1993071580. The cubic root of 29998 is about 31.0716345481.

It can be divided in two parts, 2 and 9998, that added together give a 4-th power (10000 = 10⁴).

The spelling of 29998 in words is "twenty-nine thousand, nine hundred ninety-eight".