10990243 has 8 divisors (see below), whose sum is σ = 12142080. Its totient is φ = 9863880.

The previous prime is 10990237. The next prime is 10990247. The reversal of 10990243 is 34209901.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10990243 - 2⁹ = 10989731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10990247) 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 7 ways as a sum of consecutive naturals, for example, 5455 + ... + 7192.

It is an arithmetic number, because the mean of its divisors is an integer number (1517760).

Almost surely, 2^10990243 is an apocalyptic number.

10990243 is a deficient number, since it is larger than the sum of its proper divisors (1151837).

10990243 is a wasteful number, since it uses less digits than its factorization.

10990243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12737.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 10990243 is about 3315.1535409389. The cubic root of 10990243 is about 222.3322339276.

The spelling of 10990243 in words is "ten million, nine hundred ninety thousand, two hundred forty-three".