992117293 has 4 divisors (see below), whose sum is σ = 1006090848. Its totient is φ = 978143740.

The previous prime is 992117279. The next prime is 992117299. The reversal of 992117293 is 392711299.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 392711299 = 6907 ⋅56857.

It is a cyclic number.

It is not a de Polignac number, because 992117293 - 2⁹ = 992116781 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 (992117299) 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 3 ways as a sum of consecutive naturals, for example, 6986671 + ... + 6986812.

It is an arithmetic number, because the mean of its divisors is an integer number (251522712).

Almost surely, 2^992117293 is an apocalyptic number.

It is an amenable number.

992117293 is a deficient number, since it is larger than the sum of its proper divisors (13973555).

992117293 is a wasteful number, since it uses less digits than its factorization.

992117293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13973554.

The product of its digits is 61236, while the sum is 43.

The square root of 992117293 is about 31497.8934692465. The cubic root of 992117293 is about 997.3654964863.

The spelling of 992117293 in words is "nine hundred ninety-two million, one hundred seventeen thousand, two hundred ninety-three".