103998 has 8 divisors (see below), whose sum is σ = 208008. Its totient is φ = 34664.

The previous prime is 103997. The next prime is 104003. The reversal of 103998 is 899301.

It is a happy number.

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

103998 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103991) 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, 8661 + ... + 8672.

It is an arithmetic number, because the mean of its divisors is an integer number (26001).

2¹⁰³⁹⁹⁸ is an apocalyptic number.

103998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103998 is a wasteful number, since it uses less digits than its factorization.

103998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17338.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 103998 is about 322.4872090487. The cubic root of 103998 is about 47.0263922993.

The spelling of 103998 in words is "one hundred three thousand, nine hundred ninety-eight".