10989361 has 4 divisors (see below), whose sum is σ = 11635812. Its totient is φ = 10342912.

The previous prime is 10989343. The next prime is 10989367. The reversal of 10989361 is 16398901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16398901 = 1063 ⋅15427.

It can be written as a sum of positive squares in 2 ways, for example, as 4124961 + 6864400 = 2031^2 + 2620^2 .

It is a cyclic number.

It is not a de Polignac number, because 10989361 - 2¹¹ = 10987313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10989361.

It is not an unprimeable number, because it can be changed into a prime (10989367) 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, 323200 + ... + 323233.

It is an arithmetic number, because the mean of its divisors is an integer number (2908953).

Almost surely, 2^10989361 is an apocalyptic number.

It is an amenable number.

10989361 is a deficient number, since it is larger than the sum of its proper divisors (646451).

10989361 is an equidigital number, since it uses as much as digits as its factorization.

10989361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646450.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 10989361 is about 3315.0205127570. The cubic root of 10989361 is about 222.3262861587.

The spelling of 10989361 in words is "ten million, nine hundred eighty-nine thousand, three hundred sixty-one".