998132 has 6 divisors (see below), whose sum is σ = 1746738. Its totient is φ = 499064.

The previous prime is 998117. The next prime is 998147. The reversal of 998132 is 231899.

It is an interprime number because it is at equal distance from previous prime (998117) and next prime (998147).

It can be written as a sum of positive squares in only one way, i.e., 763876 + 234256 = 874^2 + 484^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124763 + ... + 124770.

It is an arithmetic number, because the mean of its divisors is an integer number (291123).

2⁹⁹⁸¹³² is an apocalyptic number.

It is an amenable number.

998132 is a deficient number, since it is larger than the sum of its proper divisors (748606).

998132 is a wasteful number, since it uses less digits than its factorization.

998132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249537 (or 249535 counting only the distinct ones).

The product of its digits is 3888, while the sum is 32.

The square root of 998132 is about 999.0655634141. The cubic root of 998132 is about 99.9376945217.

The spelling of 998132 in words is "nine hundred ninety-eight thousand, one hundred thirty-two".