4287087 has 20 divisors (see below), whose sum is σ = 7320016. Its totient is φ = 2449440.

The previous prime is 4287067. The next prime is 4287089. The reversal of 4287087 is 7807824.

It is not a de Polignac number, because 4287087 - 2¹⁴ = 4270703 is a prime.

It is a super-2 number, since 2×4287087² = 36758229891138, which contains 22 as substring.

It is a Duffinian number.

4287087 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4287089) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3214 + ... + 4347.

Almost surely, 2^4287087 is an apocalyptic number.

4287087 is a deficient number, since it is larger than the sum of its proper divisors (3032929).

4287087 is an equidigital number, since it uses as much as digits as its factorization.

4287087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7580 (or 7571 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 4287087 is about 2070.5281934811. The cubic root of 4287087 is about 162.4503927472.

The spelling of 4287087 in words is "four million, two hundred eighty-seven thousand, eighty-seven".