4989668 has 6 divisors (see below), whose sum is σ = 8731926. Its totient is φ = 2494832.

The previous prime is 4989641. The next prime is 4989697. The reversal of 4989668 is 8669894.

It can be written as a sum of positive squares in only one way, i.e., 4700224 + 289444 = 2168^2 + 538^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 623705 + ... + 623712.

It is an arithmetic number, because the mean of its divisors is an integer number (1455321).

Almost surely, 2^4989668 is an apocalyptic number.

It is an amenable number.

4989668 is a deficient number, since it is larger than the sum of its proper divisors (3742258).

4989668 is a wasteful number, since it uses less digits than its factorization.

4989668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247421 (or 1247419 counting only the distinct ones).

The product of its digits is 746496, while the sum is 50.

The square root of 4989668 is about 2233.7564773269. The cubic root of 4989668 is about 170.8797303022.

The spelling of 4989668 in words is "four million, nine hundred eighty-nine thousand, six hundred sixty-eight".