998766800 has 30 divisors (see below), whose sum is σ = 2399538198. Its totient is φ = 399506560.

The previous prime is 998766799. The next prime is 998766833. The reversal of 998766800 is 8667899.

It can be written as a sum of positive squares in 3 ways, for example, as 712336 + 998054464 = 844^2 + 31592^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1248059 + ... + 1248858.

Almost surely, 2^998766800 is an apocalyptic number.

It is an amenable number.

998766800 is an abundant number, since it is smaller than the sum of its proper divisors (1400771398).

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

998766800 is a wasteful number, since it uses less digits than its factorization.

998766800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496935 (or 2496924 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 53.

The square root of 998766800 is about 31603.2719825021. The cubic root of 998766800 is about 999.5887642417.

The spelling of 998766800 in words is "nine hundred ninety-eight million, seven hundred sixty-six thousand, eight hundred".