4207087 has 4 divisors (see below), whose sum is σ = 4286520. Its totient is φ = 4127656.

The previous prime is 4207079. The next prime is 4207097. The reversal of 4207087 is 7807024.

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 4207087 - 2³ = 4207079 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 (4207097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39637 + ... + 39742.

It is an arithmetic number, because the mean of its divisors is an integer number (1071630).

Almost surely, 2^4207087 is an apocalyptic number.

4207087 is a deficient number, since it is larger than the sum of its proper divisors (79433).

4207087 is an equidigital number, since it uses as much as digits as its factorization.

4207087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79432.

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 4207087 is about 2051.1184753690. The cubic root of 4207087 is about 161.4335625664.

The spelling of 4207087 in words is "four million, two hundred seven thousand, eighty-seven".