24398 has 8 divisors (see below), whose sum is σ = 39960. Its totient is φ = 11080.

The previous prime is 24391. The next prime is 24407. The reversal of 24398 is 89342.

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 (24391) by changing a digit.

24398 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, 533 + ... + 576.

It is an arithmetic number, because the mean of its divisors is an integer number (4995).

2²⁴³⁹⁸ is an apocalyptic number.

24398 is a deficient number, since it is larger than the sum of its proper divisors (15562).

24398 is a wasteful number, since it uses less digits than its factorization.

24398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122.

The product of its digits is 1728, while the sum is 26.

The square root of 24398 is about 156.1985915429. The cubic root of 24398 is about 29.0035667432.

The spelling of 24398 in words is "twenty-four thousand, three hundred ninety-eight".