4190087 has 4 divisors (see below), whose sum is σ = 4571016. Its totient is φ = 3809160.

The previous prime is 4190083. The next prime is 4190093. The reversal of 4190087 is 7800914.

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 4190087 - 2² = 4190083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4190083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190448 + ... + 190469.

It is an arithmetic number, because the mean of its divisors is an integer number (1142754).

Almost surely, 2^4190087 is an apocalyptic number.

4190087 is a deficient number, since it is larger than the sum of its proper divisors (380929).

4190087 is a wasteful number, since it uses less digits than its factorization.

4190087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380928.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 4190087 is about 2046.9702000762. The cubic root of 4190087 is about 161.2158287465.

It can be divided in two parts, 4 and 190087, that added together give a palindrome (190091).

The spelling of 4190087 in words is "four million, one hundred ninety thousand, eighty-seven".