1113998 has 4 divisors (see below), whose sum is σ = 1671000. Its totient is φ = 556998.

The previous prime is 1113997. The next prime is 1114019. The reversal of 1113998 is 8993111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8993111 = 2917 ⋅3083.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278498 + ... + 278501.

It is an arithmetic number, because the mean of its divisors is an integer number (417750).

2^1113998 is an apocalyptic number.

1113998 is a deficient number, since it is larger than the sum of its proper divisors (557002).

1113998 is an equidigital number, since it uses as much as digits as its factorization.

1113998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557001.

The product of its digits is 1944, while the sum is 32.

The square root of 1113998 is about 1055.4610367039. The cubic root of 1113998 is about 103.6640416388.

The spelling of 1113998 in words is "one million, one hundred thirteen thousand, nine hundred ninety-eight".