8622609 has 8 divisors (see below), whose sum is σ = 11561760. Its totient is φ = 5715936.

The previous prime is 8622577. The next prime is 8622611. The reversal of 8622609 is 9062268.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8622609 - 2⁵ = 8622577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8622609.

It is not an unprimeable number, because it can be changed into a prime (8622209) 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, 7492 + ... + 8565.

It is an arithmetic number, because the mean of its divisors is an integer number (1445220).

Almost surely, 2^8622609 is an apocalyptic number.

It is an amenable number.

8622609 is a deficient number, since it is larger than the sum of its proper divisors (2939151).

8622609 is a wasteful number, since it uses less digits than its factorization.

8622609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16239.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 8622609 is about 2936.4279320290. The cubic root of 8622609 is about 205.0593443103.

The spelling of 8622609 in words is "eight million, six hundred twenty-two thousand, six hundred nine".