8393489 has 8 divisors (see below), whose sum is σ = 9092160. Its totient is φ = 7702416.

The previous prime is 8393447. The next prime is 8393491. The reversal of 8393489 is 9843938.

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-8393489 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8393419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524 + ... + 4130.

It is an arithmetic number, because the mean of its divisors is an integer number (1136520).

Almost surely, 2^8393489 is an apocalyptic number.

It is an amenable number.

8393489 is a deficient number, since it is larger than the sum of its proper divisors (698671).

8393489 is a wasteful number, since it uses less digits than its factorization.

8393489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3799.

The product of its digits is 186624, while the sum is 44.

The square root of 8393489 is about 2897.1518772753. The cubic root of 8393489 is about 203.2267359085.

The spelling of 8393489 in words is "eight million, three hundred ninety-three thousand, four hundred eighty-nine".