998500599 has 6 divisors (see below), whose sum is σ = 1442278656. Its totient is φ = 665667060.

The previous prime is 998500583. The next prime is 998500603. The reversal of 998500599 is 995005899.

It is not a de Polignac number, because 998500599 - 2⁴ = 998500583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998500199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55472247 + ... + 55472264.

It is an arithmetic number, because the mean of its divisors is an integer number (240379776).

Almost surely, 2^998500599 is an apocalyptic number.

998500599 is a deficient number, since it is larger than the sum of its proper divisors (443778057).

998500599 is a wasteful number, since it uses less digits than its factorization.

998500599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110944517 (or 110944514 counting only the distinct ones).

The product of its (nonzero) digits is 1312200, while the sum is 54.

The square root of 998500599 is about 31599.0600967814. The cubic root of 998500599 is about 999.4999496580.

The spelling of 998500599 in words is "nine hundred ninety-eight million, five hundred thousand, five hundred ninety-nine".