993518382 has 16 divisors (see below), whose sum is σ = 1990535760. Its totient is φ = 330589632.

The previous prime is 993518381. The next prime is 993518387. The reversal of 993518382 is 283815399.

It is a happy number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993518381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142093 + ... + 148920.

It is an arithmetic number, because the mean of its divisors is an integer number (124408485).

Almost surely, 2^993518382 is an apocalyptic number.

993518382 is an abundant number, since it is smaller than the sum of its proper divisors (997017378).

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

993518382 is a wasteful number, since it uses less digits than its factorization.

993518382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291587.

The product of its digits is 466560, while the sum is 48.

The square root of 993518382 is about 31520.1266177660. The cubic root of 993518382 is about 997.8347758547.

The spelling of 993518382 in words is "nine hundred ninety-three million, five hundred eighteen thousand, three hundred eighty-two".