993965730 has 32 divisors (see below), whose sum is σ = 2387945664. Its totient is φ = 264787776.

The previous prime is 993965711. The next prime is 993965767. The reversal of 993965730 is 37569399.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14037 + ... + 46743.

It is an arithmetic number, because the mean of its divisors is an integer number (74623302).

Almost surely, 2^993965730 is an apocalyptic number.

993965730 is an abundant number, since it is smaller than the sum of its proper divisors (1393979934).

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

993965730 is a wasteful number, since it uses less digits than its factorization.

993965730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33730.

The product of its (nonzero) digits is 1377810, while the sum is 51.

The square root of 993965730 is about 31527.2220469866. Note that the first 3 decimals coincide. The cubic root of 993965730 is about 997.9845172249.

The spelling of 993965730 in words is "nine hundred ninety-three million, nine hundred sixty-five thousand, seven hundred thirty".