24998 has 8 divisors (see below), whose sum is σ = 38880. Its totient is φ = 12040.

The previous prime is 24989. The next prime is 25013. The reversal of 24998 is 89942.

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

It is an Ulam number.

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 24998.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158 + ... + 273.

It is an arithmetic number, because the mean of its divisors is an integer number (4860).

2²⁴⁹⁹⁸ is an apocalyptic number.

24998 is a deficient number, since it is larger than the sum of its proper divisors (13882).

24998 is a wasteful number, since it uses less digits than its factorization.

24998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462.

The product of its digits is 5184, while the sum is 32.

The square root of 24998 is about 158.1075583266. The cubic root of 24998 is about 29.2393976233.

The spelling of 24998 in words is "twenty-four thousand, nine hundred ninety-eight".