998860303 has 8 divisors (see below), whose sum is σ = 1145619360. Its totient is φ = 853117440.

The previous prime is 998860259. The next prime is 998860349. The reversal of 998860303 is 303068899.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 998860303 - 2⁹ = 998859791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998860363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251938 + ... + 255871.

It is an arithmetic number, because the mean of its divisors is an integer number (143202420).

Almost surely, 2^998860303 is an apocalyptic number.

998860303 is a deficient number, since it is larger than the sum of its proper divisors (146759057).

998860303 is a wasteful number, since it uses less digits than its factorization.

998860303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508097.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 998860303 is about 31604.7512725539. The cubic root of 998860303 is about 999.6199565853.

The spelling of 998860303 in words is "nine hundred ninety-eight million, eight hundred sixty thousand, three hundred three".