998030 has 32 divisors (see below), whose sum is σ = 2014848. Its totient is φ = 352800.

The previous prime is 998029. The next prime is 998069. The reversal of 998030 is 30899.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 997984 and 998002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4625 + ... + 4835.

It is an arithmetic number, because the mean of its divisors is an integer number (62964).

2⁹⁹⁸⁰³⁰ is an apocalyptic number.

998030 is an abundant number, since it is smaller than the sum of its proper divisors (1016818).

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

998030 is a wasteful number, since it uses less digits than its factorization.

998030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 998030 is about 999.0145144091. The cubic root of 998030 is about 99.9342901650.

Subtracting from 998030 its sum of digits (29), we obtain a square (998001 = 999²).

The spelling of 998030 in words is "nine hundred ninety-eight thousand, thirty".