11031998 has 8 divisors (see below), whose sum is σ = 16601808. Its totient is φ = 5498064.

The previous prime is 11031983. The next prime is 11032039. The reversal of 11031998 is 89913011.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8186 + ... + 9437.

It is an arithmetic number, because the mean of its divisors is an integer number (2075226).

Almost surely, 2^11031998 is an apocalyptic number.

11031998 is a deficient number, since it is larger than the sum of its proper divisors (5569810).

11031998 is a wasteful number, since it uses less digits than its factorization.

11031998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17938.

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

The square root of 11031998 is about 3321.4451673933. The cubic root of 11031998 is about 222.6134454935.

The spelling of 11031998 in words is "eleven million, thirty-one thousand, nine hundred ninety-eight".