2386861 has 2 divisors, whose sum is σ = 2386862. Its totient is φ = 2386860.

The previous prime is 2386859. The next prime is 2386873. The reversal of 2386861 is 1686832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1716100 + 670761 = 1310^2 + 819^2 .

It is a cyclic number.

It is not a de Polignac number, because 2386861 - 2¹ = 2386859 is a prime.

Together with 2386859, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2386061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1193430 + 1193431.

It is an arithmetic number, because the mean of its divisors is an integer number (1193431).

2^2386861 is an apocalyptic number.

It is an amenable number.

2386861 is a deficient number, since it is larger than the sum of its proper divisors (1).

2386861 is an equidigital number, since it uses as much as digits as its factorization.

2386861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 34.

The square root of 2386861 is about 1544.9469246547. The cubic root of 2386861 is about 133.6418183658.

The spelling of 2386861 in words is "two million, three hundred eighty-six thousand, eight hundred sixty-one".