4684681 has 4 divisors (see below), whose sum is σ = 4811332. Its totient is φ = 4558032.

The previous prime is 4684661. The next prime is 4684699. The reversal of 4684681 is 1864864.

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 2175625 + 2509056 = 1475^2 + 1584^2 .

It is a cyclic number.

It is not a de Polignac number, because 4684681 - 2⁷ = 4684553 is a prime.

It is a super-3 number, since 3×4684681³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 126613 = 4684681 / (4 + 6 + 8 + 4 + 6 + 8 + 1).

4684681 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4684681.

It is not an unprimeable number, because it can be changed into a prime (4684601) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 63270 + ... + 63343.

It is an arithmetic number, because the mean of its divisors is an integer number (1202833).

Almost surely, 2^4684681 is an apocalyptic number.

It is an amenable number.

4684681 is a deficient number, since it is larger than the sum of its proper divisors (126651).

4684681 is a wasteful number, since it uses less digits than its factorization.

4684681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126650.

The product of its digits is 36864, while the sum is 37.

The square root of 4684681 is about 2164.4123913894. The cubic root of 4684681 is about 167.3246817888.

The spelling of 4684681 in words is "four million, six hundred eighty-four thousand, six hundred eighty-one".