4185087 has 4 divisors (see below), whose sum is σ = 5580120. Its totient is φ = 2790056.

The previous prime is 4185067. The next prime is 4185101. The reversal of 4185087 is 7805814.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4185087 - 2¹⁶ = 4119551 is a prime.

It is a D-number.

It is a nialpdrome in base 9.

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4185007) 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, 697512 + ... + 697517.

It is an arithmetic number, because the mean of its divisors is an integer number (1395030).

Almost surely, 2^4185087 is an apocalyptic number.

4185087 is a deficient number, since it is larger than the sum of its proper divisors (1395033).

4185087 is a wasteful number, since it uses less digits than its factorization.

4185087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395032.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 4185087 is about 2045.7485182690. The cubic root of 4185087 is about 161.1516773351.

The spelling of 4185087 in words is "four million, one hundred eighty-five thousand, eighty-seven".