8889609 has 4 divisors (see below), whose sum is σ = 11852816. Its totient is φ = 5926404.

The previous prime is 8889607. The next prime is 8889659. The reversal of 8889609 is 9069888.

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.

It is not a de Polignac number, because 8889609 - 2¹ = 8889607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8889607) 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, 1481599 + ... + 1481604.

It is an arithmetic number, because the mean of its divisors is an integer number (2963204).

Almost surely, 2^8889609 is an apocalyptic number.

It is an amenable number.

8889609 is a deficient number, since it is larger than the sum of its proper divisors (2963207).

8889609 is a wasteful number, since it uses less digits than its factorization.

8889609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2963206.

The product of its (nonzero) digits is 248832, while the sum is 48.

The square root of 8889609 is about 2981.5447338586. The cubic root of 8889609 is about 207.1544274608.

The spelling of 8889609 in words is "eight million, eight hundred eighty-nine thousand, six hundred nine".