998235 has 24 divisors (see below), whose sum is σ = 1978080. Its totient is φ = 456192.

The previous prime is 998219. The next prime is 998237. The reversal of 998235 is 532899.

It is not a de Polignac number, because 998235 - 2⁴ = 998219 is a prime.

998235 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 998235.

It is not an unprimeable number, because it can be changed into a prime (998237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1270 + ... + 1899.

It is an arithmetic number, because the mean of its divisors is an integer number (82420).

2⁹⁹⁸²³⁵ is an apocalyptic number.

998235 is a deficient number, since it is larger than the sum of its proper divisors (979845).

998235 is a wasteful number, since it uses less digits than its factorization.

998235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3187 (or 3184 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 998235 is about 999.1171102528. The cubic root of 998235 is about 99.9411320191.

The spelling of 998235 in words is "nine hundred ninety-eight thousand, two hundred thirty-five".