998269717 has 8 divisors (see below), whose sum is σ = 1009596224. Its totient is φ = 986974848.

The previous prime is 998269711. The next prime is 998269729. The reversal of 998269717 is 717962899.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 998269717 - 2⁷ = 998269589 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 (998269711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58693 + ... + 73765.

It is an arithmetic number, because the mean of its divisors is an integer number (126199528).

Almost surely, 2^998269717 is an apocalyptic number.

It is an amenable number.

998269717 is a deficient number, since it is larger than the sum of its proper divisors (11326507).

998269717 is a wasteful number, since it uses less digits than its factorization.

998269717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15819.

The product of its digits is 3429216, while the sum is 58.

The square root of 998269717 is about 31595.4065807041. The cubic root of 998269717 is about 999.4229060266.

The spelling of 998269717 in words is "nine hundred ninety-eight million, two hundred sixty-nine thousand, seven hundred seventeen".