998480 has 40 divisors (see below), whose sum is σ = 2654592. Its totient is φ = 342144.

The previous prime is 998471. The next prime is 998497. The reversal of 998480 is 84899.

998480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

998480 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 in 7 ways as a sum of consecutive naturals, for example, 332 + ... + 1451.

2⁹⁹⁸⁴⁸⁰ is an apocalyptic number.

It is an amenable number.

998480 is an abundant number, since it is smaller than the sum of its proper divisors (1656112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

998480 is a wasteful number, since it uses less digits than its factorization.

998480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803 (or 1797 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 998480 is about 999.2397109803. The cubic root of 998480 is about 99.9493076405.

It can be divided in two parts, 9 and 98480, that added together give a palindrome (98489).

The spelling of 998480 in words is "nine hundred ninety-eight thousand, four hundred eighty".