11430989 has 4 divisors (see below), whose sum is σ = 12032640. Its totient is φ = 10829340.

The previous prime is 11430911. The next prime is 11431001. The reversal of 11430989 is 98903411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11430989 - 2¹² = 11426893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11430689) 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 in 3 ways as a sum of consecutive naturals, for example, 300797 + ... + 300834.

It is an arithmetic number, because the mean of its divisors is an integer number (3008160).

Almost surely, 2^11430989 is an apocalyptic number.

11430989 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11430989 is a deficient number, since it is larger than the sum of its proper divisors (601651).

11430989 is an equidigital number, since it uses as much as digits as its factorization.

11430989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601650.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 11430989 is about 3380.9745636429. The cubic root of 11430989 is about 225.2654578796.

The spelling of 11430989 in words is "eleven million, four hundred thirty thousand, nine hundred eighty-nine".