2286787 has 2 divisors, whose sum is σ = 2286788. Its totient is φ = 2286786.

The previous prime is 2286773. The next prime is 2286793. The reversal of 2286787 is 7876822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2286787 - 2⁷ = 2286659 is a prime.

2286787 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2286797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1143393 + 1143394.

It is an arithmetic number, because the mean of its divisors is an integer number (1143394).

2^2286787 is an apocalyptic number.

2286787 is a deficient number, since it is larger than the sum of its proper divisors (1).

2286787 is an equidigital number, since it uses as much as digits as its factorization.

2286787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75264, while the sum is 40.

The square root of 2286787 is about 1512.2126173260. The cubic root of 2286787 is about 131.7473549824.

Adding to 2286787 its product of digits (75264), we get a triangular number (2362051 = T₂₁₇₃).

The spelling of 2286787 in words is "two million, two hundred eighty-six thousand, seven hundred eighty-seven".