993243860 has 48 divisors (see below), whose sum is σ = 2441940480. Its totient is φ = 332232960.

The previous prime is 993243851. The next prime is 993243869. The reversal of 993243860 is 68342399.

It is an interprime number because it is at equal distance from previous prime (993243851) and next prime (993243869).

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993243869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80780 + ... + 92259.

It is an arithmetic number, because the mean of its divisors is an integer number (50873760).

Almost surely, 2^993243860 is an apocalyptic number.

It is an amenable number.

993243860 is an abundant number, since it is smaller than the sum of its proper divisors (1448696620).

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

993243860 is a wasteful number, since it uses less digits than its factorization.

993243860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173096 (or 173094 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 993243860 is about 31515.7716072445. The cubic root of 993243860 is about 997.7428624967.

The spelling of 993243860 in words is "nine hundred ninety-three million, two hundred forty-three thousand, eight hundred sixty".