998932017 has 8 divisors (see below), whose sum is σ = 1333604896. Its totient is φ = 665106912.

The previous prime is 998932001. The next prime is 998932027. The reversal of 998932017 is 710239899.

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

It is not a de Polignac number, because 998932017 - 2⁴ = 998932001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (998932027) 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 7 ways as a sum of consecutive naturals, for example, 209188 + ... + 213909.

It is an arithmetic number, because the mean of its divisors is an integer number (166700612).

Almost surely, 2^998932017 is an apocalyptic number.

It is an amenable number.

998932017 is a deficient number, since it is larger than the sum of its proper divisors (334672879).

998932017 is a wasteful number, since it uses less digits than its factorization.

998932017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423887.

The product of its (nonzero) digits is 244944, while the sum is 48.

The square root of 998932017 is about 31605.8857967942. The cubic root of 998932017 is about 999.6438788595.

The spelling of 998932017 in words is "nine hundred ninety-eight million, nine hundred thirty-two thousand, seventeen".