9998494 has 16 divisors (see below), whose sum is σ = 16640640. Its totient is φ = 4467160.

The previous prime is 9998479. The next prime is 9998539. The reversal of 9998494 is 4948999.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2554 + ... + 5149.

It is an arithmetic number, because the mean of its divisors is an integer number (1040040).

Almost surely, 2^9998494 is an apocalyptic number.

9998494 is a deficient number, since it is larger than the sum of its proper divisors (6642146).

9998494 is a wasteful number, since it uses less digits than its factorization.

9998494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7775.

The product of its digits is 839808, while the sum is 52.

The square root of 9998494 is about 3162.0395316947. The cubic root of 9998494 is about 215.4326531981.

The spelling of 9998494 in words is "nine million, nine hundred ninety-eight thousand, four hundred ninety-four".