998580100 has 36 divisors (see below), whose sum is σ = 2476480384. Its totient is φ = 342370080.

The previous prime is 998580097. The next prime is 998580101. The reversal of 998580100 is 1085899.

998580100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×998580100² = 1994324432232020000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (998580101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 712572 + ... + 713971.

Almost surely, 2^998580100 is an apocalyptic number.

It is an amenable number.

998580100 is an abundant number, since it is smaller than the sum of its proper divisors (1477900284).

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

998580100 is a wasteful number, since it uses less digits than its factorization.

998580100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426564 (or 1426557 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 40.

The square root of 998580100 is about 31600.3180363743. The cubic root of 998580100 is about 999.5264758102.

The spelling of 998580100 in words is "nine hundred ninety-eight million, five hundred eighty thousand, one hundred".