10990361 has 4 divisors (see below), whose sum is σ = 11091300. Its totient is φ = 10889424.

The previous prime is 10990319. The next prime is 10990367. The reversal of 10990361 is 16309901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16309901 = 59 ⋅276439.

It can be written as a sum of positive squares in 2 ways, for example, as 3400336 + 7590025 = 1844^2 + 2755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10990361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10990367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50306 + ... + 50523.

It is an arithmetic number, because the mean of its divisors is an integer number (2772825).

Almost surely, 2^10990361 is an apocalyptic number.

It is an amenable number.

10990361 is a deficient number, since it is larger than the sum of its proper divisors (100939).

10990361 is a wasteful number, since it uses less digits than its factorization.

10990361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100938.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 10990361 is about 3315.1713379552. The cubic root of 10990361 is about 222.3330296367. Note that the first 3 decimals are identical.

The spelling of 10990361 in words is "ten million, nine hundred ninety thousand, three hundred sixty-one".