10998817 has 4 divisors (see below), whose sum is σ = 11006656. Its totient is φ = 10990980.

The previous prime is 10998811. The next prime is 10998833. The reversal of 10998817 is 71889901.

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.

It is a cyclic number.

It is not a de Polignac number, because 10998817 - 2³ = 10998809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10998811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1173 + ... + 4834.

It is an arithmetic number, because the mean of its divisors is an integer number (2751664).

Almost surely, 2^10998817 is an apocalyptic number.

It is an amenable number.

10998817 is a deficient number, since it is larger than the sum of its proper divisors (7839).

10998817 is an equidigital number, since it uses as much as digits as its factorization.

10998817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7838.

The product of its (nonzero) digits is 36288, while the sum is 43.

The square root of 10998817 is about 3316.4464415998. The cubic root of 10998817 is about 222.3900361394.

The spelling of 10998817 in words is "ten million, nine hundred ninety-eight thousand, eight hundred seventeen".