2186087 has 2 divisors, whose sum is σ = 2186088. Its totient is φ = 2186086.

The previous prime is 2186059. The next prime is 2186099. The reversal of 2186087 is 7806812.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2186087 - 2¹⁶ = 2120551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2186287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1093043 + 1093044.

It is an arithmetic number, because the mean of its divisors is an integer number (1093044).

2^2186087 is an apocalyptic number.

2186087 is a deficient number, since it is larger than the sum of its proper divisors (1).

2186087 is an equidigital number, since it uses as much as digits as its factorization.

2186087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 2186087 is about 1478.5421874265. The cubic root of 2186087 is about 129.7843960720.

The spelling of 2186087 in words is "two million, one hundred eighty-six thousand, eighty-seven".