9998492 has 24 divisors (see below), whose sum is σ = 20643840. Its totient is φ = 4146480.

The previous prime is 9998479. The next prime is 9998539. The reversal of 9998492 is 2948999.

It is a d-powerful number, because it can be written as 9 + 9⁴ + 9⁷ + 8⁵ + 4⁹ + 9⁷ + 2¹⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 9998492.

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, 4892 + ... + 6627.

It is an arithmetic number, because the mean of its divisors is an integer number (860160).

Almost surely, 2^9998492 is an apocalyptic number.

It is an amenable number.

9998492 is an abundant number, since it is smaller than the sum of its proper divisors (10645348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9998492 is a wasteful number, since it uses less digits than its factorization.

9998492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11561 (or 11559 counting only the distinct ones).

The product of its digits is 419904, while the sum is 50.

The square root of 9998492 is about 3162.0392154431. The cubic root of 9998492 is about 215.4326388337.

The spelling of 9998492 in words is "nine million, nine hundred ninety-eight thousand, four hundred ninety-two".