4327987 has 4 divisors (see below), whose sum is σ = 4332160. Its totient is φ = 4323816.

The previous prime is 4327963. The next prime is 4328017. The reversal of 4327987 is 7897234.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4327987 - 2⁷ = 4327859 is a prime.

It is a Duffinian number.

4327987 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4327937) 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, 814 + ... + 3052.

It is an arithmetic number, because the mean of its divisors is an integer number (1083040).

Almost surely, 2^4327987 is an apocalyptic number.

4327987 is a deficient number, since it is larger than the sum of its proper divisors (4173).

4327987 is a wasteful number, since it uses less digits than its factorization.

4327987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4172.

The product of its digits is 84672, while the sum is 40.

The square root of 4327987 is about 2080.3814554067. The cubic root of 4327987 is about 162.9653658207.

The spelling of 4327987 in words is "four million, three hundred twenty-seven thousand, nine hundred eighty-seven".