4889866 has 4 divisors (see below), whose sum is σ = 7334802. Its totient is φ = 2444932.

The previous prime is 4889851. The next prime is 4889879. The reversal of 4889866 is 6689884.

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., 3010225 + 1879641 = 1735^2 + 1371^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1222465 + ... + 1222468.

Almost surely, 2^4889866 is an apocalyptic number.

4889866 is a deficient number, since it is larger than the sum of its proper divisors (2444936).

4889866 is a wasteful number, since it uses less digits than its factorization.

4889866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444935.

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

The square root of 4889866 is about 2211.3041400947. The cubic root of 4889866 is about 169.7327519505.

The spelling of 4889866 in words is "four million, eight hundred eighty-nine thousand, eight hundred sixty-six".