980998 has 4 divisors (see below), whose sum is σ = 1471500. Its totient is φ = 490498.

The previous prime is 980963. The next prime is 980999. The reversal of 980998 is 899089.

980998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 899089 = 41 ⋅21929.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980999) by changing a digit.

980998 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245248 + ... + 245251.

It is an arithmetic number, because the mean of its divisors is an integer number (367875).

2⁹⁸⁰⁹⁹⁸ is an apocalyptic number.

980998 is a deficient number, since it is larger than the sum of its proper divisors (490502).

980998 is a wasteful number, since it uses less digits than its factorization.

980998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490501.

The product of its (nonzero) digits is 46656, while the sum is 43.

The square root of 980998 is about 990.4534315151. The cubic root of 980998 is about 99.3625451474.

The spelling of 980998 in words is "nine hundred eighty thousand, nine hundred ninety-eight".