4988866 has 4 divisors (see below), whose sum is σ = 7483302. Its totient is φ = 2494432.

The previous prime is 4988843. The next prime is 4988891. The reversal of 4988866 is 6688894.

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., 4713241 + 275625 = 2171^2 + 525^2 .

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, 1247215 + ... + 1247218.

Almost surely, 2^4988866 is an apocalyptic number.

4988866 is a deficient number, since it is larger than the sum of its proper divisors (2494436).

4988866 is a wasteful number, since it uses less digits than its factorization.

4988866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494435.

The product of its digits is 663552, while the sum is 49.

The square root of 4988866 is about 2233.5769518868. The cubic root of 4988866 is about 170.8705745235.

The spelling of 4988866 in words is "four million, nine hundred eighty-eight thousand, eight hundred sixty-six".