993114881 has 6 divisors (see below), whose sum is σ = 1091605746. Its totient is φ = 902831600.

The previous prime is 993114877. The next prime is 993114911. The reversal of 993114881 is 188411399.

993114881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 729864256 + 263250625 = 27016^2 + 16225^2 .

It is not a de Polignac number, because 993114881 - 2² = 993114877 is a prime.

It is a super-2 number, since 2×993114881² = 1972554333727288322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (993114581) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4103660 + ... + 4103901.

It is an arithmetic number, because the mean of its divisors is an integer number (181934291).

Almost surely, 2^993114881 is an apocalyptic number.

It is an amenable number.

993114881 is a deficient number, since it is larger than the sum of its proper divisors (98490865).

993114881 is a wasteful number, since it uses less digits than its factorization.

993114881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8207583 (or 8207572 counting only the distinct ones).

The product of its digits is 62208, while the sum is 44.

The square root of 993114881 is about 31513.7252796301. The cubic root of 993114881 is about 997.6996728859.

The spelling of 993114881 in words is "nine hundred ninety-three million, one hundred fourteen thousand, eight hundred eighty-one".