11389969 has 8 divisors (see below), whose sum is σ = 11971520. Its totient is φ = 10822896.

The previous prime is 11389957. The next prime is 11389979. The reversal of 11389969 is 96998311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11389969 is a prime.

It is a super-2 number, since 2×11389969² = 259462787641922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11389919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1989 + ... + 5170.

It is an arithmetic number, because the mean of its divisors is an integer number (1496440).

Almost surely, 2^11389969 is an apocalyptic number.

It is an amenable number.

11389969 is a deficient number, since it is larger than the sum of its proper divisors (581551).

11389969 is an equidigital number, since it uses as much as digits as its factorization.

11389969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7239.

The product of its digits is 104976, while the sum is 46.

The square root of 11389969 is about 3374.9028134155. The cubic root of 11389969 is about 224.9956805755.

The spelling of 11389969 in words is "eleven million, three hundred eighty-nine thousand, nine hundred sixty-nine".