10990465 has 4 divisors (see below), whose sum is σ = 13188564. Its totient is φ = 8792368.

The previous prime is 10990459. The next prime is 10990489. The reversal of 10990465 is 56409901.

10990465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56409901 = 29 ⋅1945169.

It can be written as a sum of positive squares in 2 ways, for example, as 4879681 + 6110784 = 2209^2 + 2472^2 .

It is a cyclic number.

It is not a de Polignac number, because 10990465 - 2³ = 10990457 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 10990465.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1099042 + ... + 1099051.

It is an arithmetic number, because the mean of its divisors is an integer number (3297141).

Almost surely, 2^10990465 is an apocalyptic number.

It is an amenable number.

10990465 is a deficient number, since it is larger than the sum of its proper divisors (2198099).

10990465 is an equidigital number, since it uses as much as digits as its factorization.

10990465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2198098.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 10990465 is about 3315.1870233819. The cubic root of 10990465 is about 222.3337309349. Note that the first 3 decimals are identical.

The spelling of 10990465 in words is "ten million, nine hundred ninety thousand, four hundred sixty-five".