4213987 has 4 divisors (see below), whose sum is σ = 4247296. Its totient is φ = 4180680.

The previous prime is 4213969. The next prime is 4213999. The reversal of 4213987 is 7893124.

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-4213987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4213907) 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, 16464 + ... + 16717.

It is an arithmetic number, because the mean of its divisors is an integer number (1061824).

Almost surely, 2^4213987 is an apocalyptic number.

4213987 is a deficient number, since it is larger than the sum of its proper divisors (33309).

4213987 is a wasteful number, since it uses less digits than its factorization.

4213987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33308.

The product of its digits is 12096, while the sum is 34.

The square root of 4213987 is about 2052.7997954014. The cubic root of 4213987 is about 161.5217695352.

The spelling of 4213987 in words is "four million, two hundred thirteen thousand, nine hundred eighty-seven".