1103998 has 8 divisors (see below), whose sum is σ = 1892592. Its totient is φ = 473136.

The previous prime is 1103989. The next prime is 1104017. The reversal of 1103998 is 8993011.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39415 + ... + 39442.

It is an arithmetic number, because the mean of its divisors is an integer number (236574).

2^1103998 is an apocalyptic number.

1103998 is a deficient number, since it is larger than the sum of its proper divisors (788594).

1103998 is an equidigital number, since it uses as much as digits as its factorization.

1103998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78866.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 1103998 is about 1050.7130911909. The cubic root of 1103998 is about 103.3529226360.

The spelling of 1103998 in words is "one million, one hundred three thousand, nine hundred ninety-eight".