11198490 has 32 divisors (see below), whose sum is σ = 27504576. Its totient is φ = 2916480.

The previous prime is 11198483. The next prime is 11198491. The reversal of 11198490 is 9489111.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11198491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3051 + ... + 5630.

It is an arithmetic number, because the mean of its divisors is an integer number (859518).

Almost surely, 2^11198490 is an apocalyptic number.

11198490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11198490 is an abundant number, since it is smaller than the sum of its proper divisors (16306086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11198490 is a wasteful number, since it uses less digits than its factorization.

11198490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8734.

The product of its (nonzero) digits is 2592, while the sum is 33.

The square root of 11198490 is about 3346.4144991319. The cubic root of 11198490 is about 223.7277330816.

The spelling of 11198490 in words is "eleven million, one hundred ninety-eight thousand, four hundred ninety".