10998489 has 4 divisors (see below), whose sum is σ = 14664656. Its totient is φ = 7332324.

The previous prime is 10998487. The next prime is 10998499. The reversal of 10998489 is 98489901.

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.

It is not a de Polignac number, because 10998489 - 2¹ = 10998487 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10998487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1833079 + ... + 1833084.

It is an arithmetic number, because the mean of its divisors is an integer number (3666164).

Almost surely, 2^10998489 is an apocalyptic number.

It is an amenable number.

10998489 is a deficient number, since it is larger than the sum of its proper divisors (3666167).

10998489 is an equidigital number, since it uses as much as digits as its factorization.

10998489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3666166.

The product of its (nonzero) digits is 186624, while the sum is 48.

The square root of 10998489 is about 3316.3969907115. The cubic root of 10998489 is about 222.3878254576.

The spelling of 10998489 in words is "ten million, nine hundred ninety-eight thousand, four hundred eighty-nine".