4087087 has 4 divisors (see below), whose sum is σ = 4096960. Its totient is φ = 4077216.

The previous prime is 4087037. The next prime is 4087093. The reversal of 4087087 is 7807804.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4087087 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4087007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4287 + ... + 5152.

It is an arithmetic number, because the mean of its divisors is an integer number (1024240).

Almost surely, 2^4087087 is an apocalyptic number.

4087087 is a deficient number, since it is larger than the sum of its proper divisors (9873).

4087087 is an equidigital number, since it uses as much as digits as its factorization.

4087087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9872.

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 4087087 is about 2021.6545204362. The cubic root of 4087087 is about 159.8838610313.

It can be divided in two parts, 40 and 87087, that multiplied together give a triangular number (3483480 = T₂₆₃₉).

The spelling of 4087087 in words is "four million, eighty-seven thousand, eighty-seven".