4887866 has 4 divisors (see below), whose sum is σ = 7331802. Its totient is φ = 2443932.

The previous prime is 4887847. The next prime is 4887871. The reversal of 4887866 is 6687884.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 3530641 + 1357225 = 1879^2 + 1165^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4887866.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1221965 + ... + 1221968.

Almost surely, 2^4887866 is an apocalyptic number.

4887866 is a deficient number, since it is larger than the sum of its proper divisors (2443936).

4887866 is a wasteful number, since it uses less digits than its factorization.

4887866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443935.

The product of its digits is 516096, while the sum is 47.

The square root of 4887866 is about 2210.8518720168. The cubic root of 4887866 is about 169.7096080446.

The spelling of 4887866 in words is "four million, eight hundred eighty-seven thousand, eight hundred sixty-six".