8616939 has 4 divisors (see below), whose sum is σ = 11489256. Its totient is φ = 5744624.

The previous prime is 8616919. The next prime is 8616947. The reversal of 8616939 is 9396168.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8616939 - 2²³ = 228331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8616939.

It is not an unprimeable number, because it can be changed into a prime (8616919) 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, 1436154 + ... + 1436159.

It is an arithmetic number, because the mean of its divisors is an integer number (2872314).

Almost surely, 2^8616939 is an apocalyptic number.

8616939 is a deficient number, since it is larger than the sum of its proper divisors (2872317).

8616939 is a wasteful number, since it uses less digits than its factorization.

8616939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872316.

The product of its digits is 69984, while the sum is 42.

The square root of 8616939 is about 2935.4623145256. The cubic root of 8616939 is about 205.0143872512.

The spelling of 8616939 in words is "eight million, six hundred sixteen thousand, nine hundred thirty-nine".