8616261 has 8 divisors (see below), whose sum is σ = 11524384. Its totient is φ = 5726160.

The previous prime is 8616247. The next prime is 8616271. The reversal of 8616261 is 1626168.

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

It is not a de Polignac number, because 8616261 - 2⁶ = 8616197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8616221) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3346 + ... + 5331.

It is an arithmetic number, because the mean of its divisors is an integer number (1440548).

Almost surely, 2^8616261 is an apocalyptic number.

It is an amenable number.

8616261 is a deficient number, since it is larger than the sum of its proper divisors (2908123).

8616261 is a wasteful number, since it uses less digits than its factorization.

8616261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9011.

The product of its digits is 3456, while the sum is 30.

The square root of 8616261 is about 2935.3468278893. The cubic root of 8616261 is about 205.0090101136.

The spelling of 8616261 in words is "eight million, six hundred sixteen thousand, two hundred sixty-one".