998754 has 16 divisors (see below), whose sum is σ = 2102880. Its totient is φ = 315360.

The previous prime is 998749. The next prime is 998759. The reversal of 998754 is 457899.

It is an interprime number because it is at equal distance from previous prime (998749) and next prime (998759).

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (998759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4267 + ... + 4494.

It is an arithmetic number, because the mean of its divisors is an integer number (131430).

2⁹⁹⁸⁷⁵⁴ is an apocalyptic number.

998754 is an abundant number, since it is smaller than the sum of its proper divisors (1104126).

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

998754 is a wasteful number, since it uses less digits than its factorization.

998754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8785.

The product of its digits is 90720, while the sum is 42.

The square root of 998754 is about 999.3768058145. The cubic root of 998754 is about 99.9584494045.

The spelling of 998754 in words is "nine hundred ninety-eight thousand, seven hundred fifty-four".