4781685 has 16 divisors (see below), whose sum is σ = 7695360. Its totient is φ = 2535360.

The previous prime is 4781671. The next prime is 4781731. The reversal of 4781685 is 5861874.

It is not a de Polignac number, because 4781685 - 2⁴ = 4781669 is a prime.

It is a super-2 number, since 2×4781685² = 45729022878450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2031 + ... + 3699.

It is an arithmetic number, because the mean of its divisors is an integer number (480960).

Almost surely, 2^4781685 is an apocalyptic number.

It is an amenable number.

4781685 is a deficient number, since it is larger than the sum of its proper divisors (2913675).

4781685 is a wasteful number, since it uses less digits than its factorization.

4781685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868.

The product of its digits is 53760, while the sum is 39.

The square root of 4781685 is about 2186.7064274840. The cubic root of 4781685 is about 168.4717114177.

The spelling of 4781685 in words is "four million, seven hundred eighty-one thousand, six hundred eighty-five".