998241 has 16 divisors (see below), whose sum is σ = 1424640. Its totient is φ = 619920.

The previous prime is 998237. The next prime is 998243. The reversal of 998241 is 142899.

998241 = T₃₂₄ + T₃₂₅ + ... + T₃₄₁.

It is not a de Polignac number, because 998241 - 2² = 998237 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 998241.

It is not an unprimeable number, because it can be changed into a prime (998243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4626 + ... + 4836.

It is an arithmetic number, because the mean of its divisors is an integer number (89040).

2⁹⁹⁸²⁴¹ is an apocalyptic number.

It is an amenable number.

998241 is a deficient number, since it is larger than the sum of its proper divisors (426399).

998241 is a wasteful number, since it uses less digits than its factorization.

998241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316.

The product of its digits is 5184, while the sum is 33.

The square root of 998241 is about 999.1201128993. The cubic root of 998241 is about 99.9413322544.

The spelling of 998241 in words is "nine hundred ninety-eight thousand, two hundred forty-one".