998926 has 8 divisors (see below), whose sum is σ = 1539000. Its totient is φ = 485928.

The previous prime is 998917. The next prime is 998927. The reversal of 998926 is 629899.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998927) 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, 6676 + ... + 6823.

It is an arithmetic number, because the mean of its divisors is an integer number (192375).

2⁹⁹⁸⁹²⁶ is an apocalyptic number.

998926 is a deficient number, since it is larger than the sum of its proper divisors (540074).

998926 is a wasteful number, since it uses less digits than its factorization.

998926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13538.

The product of its digits is 69984, while the sum is 43.

The square root of 998926 is about 999.4628557380. The cubic root of 998926 is about 99.9641871759.

It can be divided in two parts, 99 and 8926, that added together give a square (9025 = 95²).

The spelling of 998926 in words is "nine hundred ninety-eight thousand, nine hundred twenty-six".