8723489 has 8 divisors (see below), whose sum is σ = 9219840. Its totient is φ = 8230896.

The previous prime is 8723483. The next prime is 8723497. The reversal of 8723489 is 9843278.

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-8723489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8723483) 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, 4784 + ... + 6350.

It is an arithmetic number, because the mean of its divisors is an integer number (1152480).

Almost surely, 2^8723489 is an apocalyptic number.

It is an amenable number.

8723489 is a deficient number, since it is larger than the sum of its proper divisors (496351).

8723489 is a wasteful number, since it uses less digits than its factorization.

8723489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879.

The product of its digits is 96768, while the sum is 41.

The square root of 8723489 is about 2953.5553152091. Note that the first 3 decimals coincide. The cubic root of 8723489 is about 205.8559413210.

The spelling of 8723489 in words is "eight million, seven hundred twenty-three thousand, four hundred eighty-nine".