4890689 has 4 divisors (see below), whose sum is σ = 4909140. Its totient is φ = 4872240.

The previous prime is 4890671. The next prime is 4890701. The reversal of 4890689 is 9860984.

4890689 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2534464 + 2356225 = 1592^2 + 1535^2 .

It is a cyclic number.

It is not a de Polignac number, because 4890689 - 2¹² = 4886593 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4890629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8822 + ... + 9359.

It is an arithmetic number, because the mean of its divisors is an integer number (1227285).

Almost surely, 2^4890689 is an apocalyptic number.

It is an amenable number.

4890689 is a deficient number, since it is larger than the sum of its proper divisors (18451).

4890689 is a wasteful number, since it uses less digits than its factorization.

4890689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18450.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 4890689 is about 2211.4902215475. The cubic root of 4890689 is about 169.7422738351.

Adding to 4890689 its product of nonzero digits (124416), we get a palindrome (5015105).

The spelling of 4890689 in words is "four million, eight hundred ninety thousand, six hundred eighty-nine".