998194 has 8 divisors (see below), whose sum is σ = 1502748. Its totient is φ = 497280.

The previous prime is 998167. The next prime is 998197. The reversal of 998194 is 491899.

It can be written as a sum of positive squares in 2 ways, for example, as 974169 + 24025 = 987^2 + 155^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 998194.

It is not an unprimeable number, because it can be changed into a prime (998197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67 + ... + 1414.

2⁹⁹⁸¹⁹⁴ is an apocalyptic number.

998194 is a deficient number, since it is larger than the sum of its proper divisors (504554).

998194 is a wasteful number, since it uses less digits than its factorization.

998194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820.

The product of its digits is 23328, while the sum is 40.

The square root of 998194 is about 999.0965919269. The cubic root of 998194 is about 99.9397637232.

The spelling of 998194 in words is "nine hundred ninety-eight thousand, one hundred ninety-four".