8912861 has 4 divisors (see below), whose sum is σ = 8922912. Its totient is φ = 8902812.

The previous prime is 8912833. The next prime is 8912863. The reversal of 8912861 is 1682198.

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 a cyclic number.

It is not a de Polignac number, because 8912861 - 2²² = 4718557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8912863) 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, 3551 + ... + 5516.

It is an arithmetic number, because the mean of its divisors is an integer number (2230728).

Almost surely, 2^8912861 is an apocalyptic number.

It is an amenable number.

8912861 is a deficient number, since it is larger than the sum of its proper divisors (10051).

8912861 is an equidigital number, since it uses as much as digits as its factorization.

8912861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10050.

The product of its digits is 6912, while the sum is 35.

The square root of 8912861 is about 2985.4415083870. The cubic root of 8912861 is about 207.3348838870.

The spelling of 8912861 in words is "eight million, nine hundred twelve thousand, eight hundred sixty-one".