4890681 has 12 divisors (see below), whose sum is σ = 7198308. Its totient is φ = 3198624.

The previous prime is 4890671. The next prime is 4890701. The reversal of 4890681 is 1860984.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1946025 + 2944656 = 1395^2 + 1716^2 .

It is not a de Polignac number, because 4890681 - 2⁶ = 4890617 is a prime.

It is a super-2 number, since 2×4890681² = 47837521287522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4890631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4650 + ... + 5603.

It is an arithmetic number, because the mean of its divisors is an integer number (599859).

Almost surely, 2^4890681 is an apocalyptic number.

It is an amenable number.

4890681 is a deficient number, since it is larger than the sum of its proper divisors (2307627).

4890681 is a wasteful number, since it uses less digits than its factorization.

4890681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10312 (or 10309 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 4890681 is about 2211.4884128116. The cubic root of 4890681 is about 169.7421812824.

The spelling of 4890681 in words is "four million, eight hundred ninety thousand, six hundred eighty-one".