8820493 has 8 divisors (see below), whose sum is σ = 9739296. Its totient is φ = 7921200.

The previous prime is 8820481. The next prime is 8820499. The reversal of 8820493 is 3940288.

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-8820493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8820499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3918 + ... + 5743.

It is an arithmetic number, because the mean of its divisors is an integer number (1217412).

Almost surely, 2^8820493 is an apocalyptic number.

8820493 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

It is an amenable number.

8820493 is a deficient number, since it is larger than the sum of its proper divisors (918803).

8820493 is a wasteful number, since it uses less digits than its factorization.

8820493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9755.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 8820493 is about 2969.9314806911. The cubic root of 8820493 is about 206.6161603369.

The spelling of 8820493 in words is "eight million, eight hundred twenty thousand, four hundred ninety-three".