993930240 has 88 divisors (see below), whose sum is σ = 3179072880. Its totient is φ = 265043968.

The previous prime is 993930221. The next prime is 993930247. The reversal of 993930240 is 42039399.

It is not an unprimeable number, because it can be changed into a prime (993930247) 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 7 ways as a sum of consecutive naturals, for example, 16995 + ... + 47714.

Almost surely, 2^993930240 is an apocalyptic number.

It is an amenable number.

993930240 is an abundant number, since it is smaller than the sum of its proper divisors (2185142640).

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

993930240 is a wasteful number, since it uses less digits than its factorization.

993930240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64737 (or 64719 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 39.

The square root of 993930240 is about 31526.6591950368. The cubic root of 993930240 is about 997.9726392527.

The spelling of 993930240 in words is "nine hundred ninety-three million, nine hundred thirty thousand, two hundred forty".