10998890 has 16 divisors (see below), whose sum is σ = 22626432. Its totient is φ = 3771024.

The previous prime is 10998857. The next prime is 10998907. The reversal of 10998890 is 9889901.

It is an unprimeable number.

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, 78494 + ... + 78633.

It is an arithmetic number, because the mean of its divisors is an integer number (1414152).

Almost surely, 2^10998890 is an apocalyptic number.

10998890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10998890 is an abundant number, since it is smaller than the sum of its proper divisors (11627542).

10998890 is a wasteful number, since it uses less digits than its factorization.

10998890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157141.

The product of its (nonzero) digits is 46656, while the sum is 44.

The square root of 10998890 is about 3316.4574473374. The cubic root of 10998890 is about 222.3905281450.

The spelling of 10998890 in words is "ten million, nine hundred ninety-eight thousand, eight hundred ninety".