993684480 has 88 divisors (see below), whose sum is σ = 3178286832. Its totient is φ = 264978432.

The previous prime is 993684413. The next prime is 993684491. The reversal of 993684480 is 84486399.

It is a happy number.

It is a super-3 number, since 3×993684480³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

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, 16987 + ... + 47706.

Almost surely, 2^993684480 is an apocalyptic number.

It is an amenable number.

993684480 is an abundant number, since it is smaller than the sum of its proper divisors (2184602352).

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

993684480 is a wasteful number, since it uses less digits than its factorization.

993684480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64721 (or 64703 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The square root of 993684480 is about 31522.7613003683. The cubic root of 993684480 is about 997.8903792968.

The spelling of 993684480 in words is "nine hundred ninety-three million, six hundred eighty-four thousand, four hundred eighty".