993935840 has 48 divisors (see below), whose sum is σ = 2370159792. Its totient is φ = 393851904.

The previous prime is 993935819. The next prime is 993935851. The reversal of 993935840 is 48539399.

993935840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11909 + ... + 46148.

It is an arithmetic number, because the mean of its divisors is an integer number (49378329).

Almost surely, 2^993935840 is an apocalyptic number.

It is an amenable number.

993935840 is an abundant number, since it is smaller than the sum of its proper divisors (1376223952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

993935840 is a wasteful number, since it uses less digits than its factorization.

993935840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58179 (or 58171 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 50.

The square root of 993935840 is about 31526.7480086355. The cubic root of 993935840 is about 997.9745135077.

The spelling of 993935840 in words is "nine hundred ninety-three million, nine hundred thirty-five thousand, eight hundred forty".