4678866 has 12 divisors (see below), whose sum is σ = 10137582. Its totient is φ = 1559616.

The previous prime is 4678837. The next prime is 4678901. The reversal of 4678866 is 6688764.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4601025 + 77841 = 2145^2 + 279^2 .

It is a congruent number.

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 in 5 ways as a sum of consecutive naturals, for example, 129951 + ... + 129986.

Almost surely, 2^4678866 is an apocalyptic number.

4678866 is an abundant number, since it is smaller than the sum of its proper divisors (5458716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4678866 is a wasteful number, since it uses less digits than its factorization.

4678866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259945 (or 259942 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 4678866 is about 2163.0686535568. The cubic root of 4678866 is about 167.2554208730.

The spelling of 4678866 in words is "four million, six hundred seventy-eight thousand, eight hundred sixty-six".