993645312 has 72 divisors (see below), whose sum is σ = 2884983360. Its totient is φ = 301102080.

The previous prime is 993645251. The next prime is 993645343. The reversal of 993645312 is 213546399.

It is a happy number.

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, 50362 + ... + 67257.

Almost surely, 2^993645312 is an apocalyptic number.

It is an amenable number.

993645312 is an abundant number, since it is smaller than the sum of its proper divisors (1891338048).

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

993645312 is a wasteful number, since it uses less digits than its factorization.

993645312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117649 (or 117635 counting only the distinct ones).

The product of its digits is 174960, while the sum is 42.

The square root of 993645312 is about 31522.1400288749. The cubic root of 993645312 is about 997.8772678633.

The spelling of 993645312 in words is "nine hundred ninety-three million, six hundred forty-five thousand, three hundred twelve".