993230784 has 252 divisors, whose sum is σ = 3567784584. Its totient is φ = 261854208.

The previous prime is 993230783. The next prime is 993230801. The reversal of 993230784 is 487032399.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (252).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993230783) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 365559 + ... + 368265.

Almost surely, 2^993230784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 993230784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1783892292).

993230784 is an abundant number, since it is smaller than the sum of its proper divisors (2574553800).

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

993230784 is a wasteful number, since it uses less digits than its factorization.

993230784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752 (or 2732 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 993230784 is about 31515.5641548743. The cubic root of 993230784 is about 997.7384840678.

The spelling of 993230784 in words is "nine hundred ninety-three million, two hundred thirty thousand, seven hundred eighty-four".