11230989 has 16 divisors (see below), whose sum is σ = 18670080. Its totient is φ = 5834160.

The previous prime is 11230939. The next prime is 11231027. The reversal of 11230989 is 98903211.

It is not a de Polignac number, because 11230989 - 2⁷ = 11230861 is a prime.

It is a super-2 number, since 2×11230989² = 252270227836242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11230909) 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, 24079 + ... + 24540.

It is an arithmetic number, because the mean of its divisors is an integer number (1166880).

Almost surely, 2^11230989 is an apocalyptic number.

It is an amenable number.

11230989 is a deficient number, since it is larger than the sum of its proper divisors (7439091).

11230989 is a wasteful number, since it uses less digits than its factorization.

11230989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48640.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 11230989 is about 3351.2667754149. The cubic root of 11230989 is about 223.9439498898.

The spelling of 11230989 in words is "eleven million, two hundred thirty thousand, nine hundred eighty-nine".