993117361 has 4 divisors (see below), whose sum is σ = 993434112. Its totient is φ = 992800612.

The previous prime is 993117341. The next prime is 993117371. The reversal of 993117361 is 163711399.

993117361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 993117361 - 2⁵ = 993117329 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (993117311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153625 + ... + 159958.

It is an arithmetic number, because the mean of its divisors is an integer number (248358528).

Almost surely, 2^993117361 is an apocalyptic number.

It is an amenable number.

993117361 is a deficient number, since it is larger than the sum of its proper divisors (316751).

993117361 is a wasteful number, since it uses less digits than its factorization.

993117361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316750.

The product of its digits is 30618, while the sum is 40.

The square root of 993117361 is about 31513.7646275401. The cubic root of 993117361 is about 997.7005033682.

The spelling of 993117361 in words is "nine hundred ninety-three million, one hundred seventeen thousand, three hundred sixty-one".