8489669 has 4 divisors (see below), whose sum is σ = 8498880. Its totient is φ = 8480460.

The previous prime is 8489659. The next prime is 8489729. The reversal of 8489669 is 9669848.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8489669 - 2⁸ = 8489413 is a prime.

It is a super-2 number, since 2×8489669² = 144148959459122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8489639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3047 + ... + 5124.

It is an arithmetic number, because the mean of its divisors is an integer number (2124720).

Almost surely, 2^8489669 is an apocalyptic number.

It is an amenable number.

8489669 is a deficient number, since it is larger than the sum of its proper divisors (9211).

8489669 is a wasteful number, since it uses less digits than its factorization.

8489669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9210.

The product of its digits is 746496, while the sum is 50.

The square root of 8489669 is about 2913.7036568601. The cubic root of 8489669 is about 204.0000400487. Note that the first 4 decimals are identical.

The spelling of 8489669 in words is "eight million, four hundred eighty-nine thousand, six hundred sixty-nine".