11346989 has 4 divisors (see below), whose sum is σ = 11410560. Its totient is φ = 11283420.

The previous prime is 11346983. The next prime is 11346991. The reversal of 11346989 is 98964311.

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, and also an emirpimes, since its reverse is a distinct semiprime: 98964311 = 1487 ⋅66553.

It is a cyclic number.

It is not a de Polignac number, because 11346989 - 2⁸ = 11346733 is a prime.

It is a super-2 number, since 2×11346989² = 257508318732242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11346983) 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 3 ways as a sum of consecutive naturals, for example, 31517 + ... + 31874.

It is an arithmetic number, because the mean of its divisors is an integer number (2852640).

Almost surely, 2^11346989 is an apocalyptic number.

It is an amenable number.

11346989 is a deficient number, since it is larger than the sum of its proper divisors (63571).

11346989 is an equidigital number, since it uses as much as digits as its factorization.

11346989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63570.

The product of its digits is 46656, while the sum is 41.

The square root of 11346989 is about 3368.5292042670. The cubic root of 11346989 is about 224.7123171018.

The spelling of 11346989 in words is "eleven million, three hundred forty-six thousand, nine hundred eighty-nine".