998760975 has 24 divisors (see below), whose sum is σ = 1654656000. Its totient is φ = 531585120.

The previous prime is 998760953. The next prime is 998760979. The reversal of 998760975 is 579067899.

It is not a de Polignac number, because 998760975 - 2¹² = 998756879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998760979) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 24082 + ... + 50768.

It is an arithmetic number, because the mean of its divisors is an integer number (68944000).

Almost surely, 2^998760975 is an apocalyptic number.

998760975 is a deficient number, since it is larger than the sum of its proper divisors (655895025).

998760975 is a wasteful number, since it uses less digits than its factorization.

998760975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27199 (or 27194 counting only the distinct ones).

The product of its (nonzero) digits is 8573040, while the sum is 60.

The square root of 998760975 is about 31603.1798241886. The cubic root of 998760975 is about 999.5868209733.

The spelling of 998760975 in words is "nine hundred ninety-eight million, seven hundred sixty thousand, nine hundred seventy-five".