993256512 has 28 divisors (see below), whose sum is σ = 2627991696. Its totient is φ = 331085440.

The previous prime is 993256487. The next prime is 993256513. The reversal of 993256512 is 215652399.

It is a super-2 number, since 2×993256512² = 1973116997260812288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (993256513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2586414 + ... + 2586797.

Almost surely, 2^993256512 is an apocalyptic number.

It is an amenable number.

993256512 is an abundant number, since it is smaller than the sum of its proper divisors (1634735184).

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

993256512 is a wasteful number, since it uses less digits than its factorization.

993256512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5173226 (or 5173216 counting only the distinct ones).

The product of its digits is 145800, while the sum is 42.

The square root of 993256512 is about 31515.9723315020. The cubic root of 993256512 is about 997.7470989149.

The spelling of 993256512 in words is "nine hundred ninety-three million, two hundred fifty-six thousand, five hundred twelve".