2287387 has 2 divisors, whose sum is σ = 2287388. Its totient is φ = 2287386.

The previous prime is 2287381. The next prime is 2287393. The reversal of 2287387 is 7837822.

It is a balanced prime because it is at equal distance from previous prime (2287381) and next prime (2287393).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2287387 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 2²¹ + 8 + 7² + 3¹⁰ + 8 + 7² .

It is not a weakly prime, because it can be changed into another prime (2287381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1143693 + 1143694.

It is an arithmetic number, because the mean of its divisors is an integer number (1143694).

2^2287387 is an apocalyptic number.

2287387 is a deficient number, since it is larger than the sum of its proper divisors (1).

2287387 is an equidigital number, since it uses as much as digits as its factorization.

2287387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37632, while the sum is 37.

The square root of 2287387 is about 1512.4109891164. The cubic root of 2287387 is about 131.7588764608.

The spelling of 2287387 in words is "two million, two hundred eighty-seven thousand, three hundred eighty-seven".