8940287 has 2 divisors, whose sum is σ = 8940288. Its totient is φ = 8940286.

The previous prime is 8940271. The next prime is 8940301. The reversal of 8940287 is 7820498.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8940287 - 2⁴ = 8940271 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8940287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8940227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4470143 + 4470144.

It is an arithmetic number, because the mean of its divisors is an integer number (4470144).

Almost surely, 2^8940287 is an apocalyptic number.

8940287 is a deficient number, since it is larger than the sum of its proper divisors (1).

8940287 is an equidigital number, since it uses as much as digits as its factorization.

8940287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 8940287 is about 2990.0312707395. The cubic root of 8940287 is about 207.5473313424.

The spelling of 8940287 in words is "eight million, nine hundred forty thousand, two hundred eighty-seven".