998874 has 24 divisors (see below), whose sum is σ = 2182752. Its totient is φ = 330120.

The previous prime is 998861. The next prime is 998897. The reversal of 998874 is 478899.

It is a nialpdrome in base 10.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 998874.

It is an unprimeable number.

998874 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3667 + ... + 3929.

It is an arithmetic number, because the mean of its divisors is an integer number (90948).

2⁹⁹⁸⁸⁷⁴ is an apocalyptic number.

998874 is an abundant number, since it is smaller than the sum of its proper divisors (1183878).

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

998874 is a wasteful number, since it uses less digits than its factorization.

998874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 479 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 998874 is about 999.4368414262. The cubic root of 998874 is about 99.9624525703.

The spelling of 998874 in words is "nine hundred ninety-eight thousand, eight hundred seventy-four".