993016844 has 6 divisors (see below), whose sum is σ = 1737779484. Its totient is φ = 496508420.

The previous prime is 993016837. The next prime is 993016847. The reversal of 993016844 is 448610399.

It is a junction number, because it is equal to n+sod(n) for n = 993016795 and 993016804.

It is not an unprimeable number, because it can be changed into a prime (993016847) 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 as a sum of consecutive naturals, namely, 124127102 + ... + 124127109.

It is an arithmetic number, because the mean of its divisors is an integer number (289629914).

Almost surely, 2^993016844 is an apocalyptic number.

It is an amenable number.

993016844 is a deficient number, since it is larger than the sum of its proper divisors (744762640).

993016844 is a wasteful number, since it uses less digits than its factorization.

993016844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248254215 (or 248254213 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 993016844 is about 31512.1697761357. The cubic root of 993016844 is about 997.6668419404. Note that the first 3 decimals are identical.

The spelling of 993016844 in words is "nine hundred ninety-three million, sixteen thousand, eight hundred forty-four".