8321493 has 8 divisors (see below), whose sum is σ = 11134368. Its totient is φ = 5528144.

The previous prime is 8321429. The next prime is 8321503. The reversal of 8321493 is 3941238.

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

It is a cyclic number.

It is not a de Polignac number, because 8321493 - 2⁶ = 8321429 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8321493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8321293) 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 7 ways as a sum of consecutive naturals, for example, 3855 + ... + 5612.

It is an arithmetic number, because the mean of its divisors is an integer number (1391796).

Almost surely, 2^8321493 is an apocalyptic number.

It is an amenable number.

8321493 is a deficient number, since it is larger than the sum of its proper divisors (2812875).

8321493 is a wasteful number, since it uses less digits than its factorization.

8321493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9763.

The product of its digits is 5184, while the sum is 30.

The square root of 8321493 is about 2884.6998110722. The cubic root of 8321493 is about 202.6440006079.

The spelling of 8321493 in words is "eight million, three hundred twenty-one thousand, four hundred ninety-three".