8849861 has 2 divisors, whose sum is σ = 8849862. Its totient is φ = 8849860.

The previous prime is 8849857. The next prime is 8849879. The reversal of 8849861 is 1689488.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4972900 + 3876961 = 2230^2 + 1969^2 .

It is a cyclic number.

It is not a de Polignac number, because 8849861 - 2² = 8849857 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8849851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4424930 + 4424931.

It is an arithmetic number, because the mean of its divisors is an integer number (4424931).

Almost surely, 2^8849861 is an apocalyptic number.

It is an amenable number.

8849861 is a deficient number, since it is larger than the sum of its proper divisors (1).

8849861 is an equidigital number, since it uses as much as digits as its factorization.

8849861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 44.

The square root of 8849861 is about 2974.8715938675. The cubic root of 8849861 is about 206.8452171264.

The spelling of 8849861 in words is "eight million, eight hundred forty-nine thousand, eight hundred sixty-one".