10959989 has 4 divisors (see below), whose sum is σ = 10967424. Its totient is φ = 10952556.

The previous prime is 10959967. The next prime is 10960007. The reversal of 10959989 is 98995901.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98995901 = 3181 ⋅31121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10959989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10959919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677 + ... + 4730.

It is an arithmetic number, because the mean of its divisors is an integer number (2741856).

Almost surely, 2^10959989 is an apocalyptic number.

It is an amenable number.

10959989 is a deficient number, since it is larger than the sum of its proper divisors (7435).

10959989 is an equidigital number, since it uses as much as digits as its factorization.

10959989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7434.

The product of its (nonzero) digits is 262440, while the sum is 50.

The square root of 10959989 is about 3310.5874101132. The cubic root of 10959989 is about 222.1280339824.

The spelling of 10959989 in words is "ten million, nine hundred fifty-nine thousand, nine hundred eighty-nine".