998150 has 12 divisors (see below), whose sum is σ = 1856652. Its totient is φ = 399240.

The previous prime is 998147. The next prime is 998161. The reversal of 998150 is 51899.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9932 + ... + 10031.

It is an arithmetic number, because the mean of its divisors is an integer number (154721).

2⁹⁹⁸¹⁵⁰ is an apocalyptic number.

998150 is a deficient number, since it is larger than the sum of its proper divisors (858502).

998150 is a wasteful number, since it uses less digits than its factorization.

998150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19975 (or 19970 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 998150 is about 999.0745717913. The cubic root of 998150 is about 99.9382952664.

The spelling of 998150 in words is "nine hundred ninety-eight thousand, one hundred fifty".