3681129 has 16 divisors (see below), whose sum is σ = 5261760. Its totient is φ = 2280960.

The previous prime is 3681113. The next prime is 3681131. The reversal of 3681129 is 9211863.

3681129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3681129 - 2⁴ = 3681113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3681096 and 3681105.

It is not an unprimeable number, because it can be changed into a prime (3681149) by changing a digit.

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, 4134 + ... + 4944.

It is an arithmetic number, because the mean of its divisors is an integer number (328860).

Almost surely, 2^3681129 is an apocalyptic number.

It is an amenable number.

3681129 is a deficient number, since it is larger than the sum of its proper divisors (1580631).

3681129 is a wasteful number, since it uses less digits than its factorization.

3681129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920.

The product of its digits is 2592, while the sum is 30.

The square root of 3681129 is about 1918.6268527257. The cubic root of 3681129 is about 154.4046394706.

The spelling of 3681129 in words is "three million, six hundred eighty-one thousand, one hundred twenty-nine".