111803998 has 8 divisors (see below), whose sum is σ = 168235992. Its totient is φ = 55725336.

The previous prime is 111803969. The next prime is 111804029. The reversal of 111803998 is 899308111.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 111803998.

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, 87540 + ... + 88807.

It is an arithmetic number, because the mean of its divisors is an integer number (21029499).

Almost surely, 2^111803998 is an apocalyptic number.

111803998 is a deficient number, since it is larger than the sum of its proper divisors (56431994).

111803998 is a wasteful number, since it uses less digits than its factorization.

111803998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176666.

The product of its (nonzero) digits is 15552, while the sum is 40.

The square root of 111803998 is about 10573.7409652403. The cubic root of 111803998 is about 481.7471025151.

The spelling of 111803998 in words is "one hundred eleven million, eight hundred three thousand, nine hundred ninety-eight".