8612661 has 8 divisors (see below), whose sum is σ = 11622240. Its totient is φ = 5672432.

The previous prime is 8612657. The next prime is 8612663. The reversal of 8612661 is 1662168.

8612661 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 8612661 - 2² = 8612657 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8612663) 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, 17046 + ... + 17543.

It is an arithmetic number, because the mean of its divisors is an integer number (1452780).

Almost surely, 2^8612661 is an apocalyptic number.

It is an amenable number.

8612661 is a deficient number, since it is larger than the sum of its proper divisors (3009579).

8612661 is a wasteful number, since it uses less digits than its factorization.

8612661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34675.

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

The square root of 8612661 is about 2934.7335483822. The cubic root of 8612661 is about 204.9804542142.

The spelling of 8612661 in words is "eight million, six hundred twelve thousand, six hundred sixty-one".