8489715 has 48 divisors (see below), whose sum is σ = 15653088. Its totient is φ = 3913728.

The previous prime is 8489659. The next prime is 8489729. The reversal of 8489715 is 5179848.

It is not a de Polignac number, because 8489715 - 2⁶ = 8489651 is a prime.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 42997 + ... + 43193.

It is an arithmetic number, because the mean of its divisors is an integer number (326106).

Almost surely, 2^8489715 is an apocalyptic number.

8489715 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

8489715 is a deficient number, since it is larger than the sum of its proper divisors (7163373).

8489715 is a wasteful number, since it uses less digits than its factorization.

8489715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 235 counting only the distinct ones).

The product of its digits is 80640, while the sum is 42.

The square root of 8489715 is about 2913.7115505829. The cubic root of 8489715 is about 204.0004084959. Note that the first 3 decimals are identical.

The spelling of 8489715 in words is "eight million, four hundred eighty-nine thousand, seven hundred fifteen".