993124321 has 8 divisors (see below), whose sum is σ = 1135428224. Its totient is φ = 850927680.

The previous prime is 993124303. The next prime is 993124333. The reversal of 993124321 is 123421399.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-993124321 is a prime.

It is a super-2 number, since 2×993124321² = 1972591833923422082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (993124361) 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, 5880 + ... + 44953.

It is an arithmetic number, because the mean of its divisors is an integer number (141928528).

Almost surely, 2^993124321 is an apocalyptic number.

It is an amenable number.

993124321 is a deficient number, since it is larger than the sum of its proper divisors (142303903).

993124321 is a wasteful number, since it uses less digits than its factorization.

993124321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53631.

The product of its digits is 11664, while the sum is 34.

The square root of 993124321 is about 31513.8750552832. The cubic root of 993124321 is about 997.7028340694.

The spelling of 993124321 in words is "nine hundred ninety-three million, one hundred twenty-four thousand, three hundred twenty-one".