103998239 has 4 divisors (see below), whose sum is σ = 104022720. Its totient is φ = 103973760.

The previous prime is 103998217. The next prime is 103998269. The reversal of 103998239 is 932899301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103998239 is a prime.

It is a super-2 number, since 2×103998239² = 21631267430202242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103998239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103998269) 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, 4034 + ... + 14975.

It is an arithmetic number, because the mean of its divisors is an integer number (26005680).

Almost surely, 2^103998239 is an apocalyptic number.

103998239 is a deficient number, since it is larger than the sum of its proper divisors (24481).

103998239 is an equidigital number, since it uses as much as digits as its factorization.

103998239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24480.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 103998239 is about 10197.9526866916. The cubic root of 103998239 is about 470.2642832341.

The spelling of 103998239 in words is "one hundred three million, nine hundred ninety-eight thousand, two hundred thirty-nine".