4989685 has 16 divisors (see below), whose sum is σ = 6428160. Its totient is φ = 3706560.

The previous prime is 4989641. The next prime is 4989697. The reversal of 4989685 is 5869894.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-4989685 is a prime.

It is an Ulam number.

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 15 ways as a sum of consecutive naturals, for example, 4540 + ... + 5530.

It is an arithmetic number, because the mean of its divisors is an integer number (401760).

Almost surely, 2^4989685 is an apocalyptic number.

It is an amenable number.

4989685 is a deficient number, since it is larger than the sum of its proper divisors (1438475).

4989685 is a wasteful number, since it uses less digits than its factorization.

4989685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068.

The product of its digits is 622080, while the sum is 49.

The square root of 4989685 is about 2233.7602825729. The cubic root of 4989685 is about 170.8799243667.

The spelling of 4989685 in words is "four million, nine hundred eighty-nine thousand, six hundred eighty-five".