3829681 has 2 divisors, whose sum is σ = 3829682. Its totient is φ = 3829680.

The previous prime is 3829673. The next prime is 3829691. The reversal of 3829681 is 1869283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3783025 + 46656 = 1945^2 + 216^2 .

It is a cyclic number.

It is not a de Polignac number, because 3829681 - 2³ = 3829673 is a prime.

It is a super-2 number, since 2×3829681² = 29332913123522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3829681.

It is not a weakly prime, because it can be changed into another prime (3829601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1914840 + 1914841.

It is an arithmetic number, because the mean of its divisors is an integer number (1914841).

Almost surely, 2^3829681 is an apocalyptic number.

It is an amenable number.

3829681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3829681 is an equidigital number, since it uses as much as digits as its factorization.

3829681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 37.

The square root of 3829681 is about 1956.9570766882. The cubic root of 3829681 is about 156.4543106494.

The spelling of 3829681 in words is "three million, eight hundred twenty-nine thousand, six hundred eighty-one".