3667129 has 2 divisors, whose sum is σ = 3667130. Its totient is φ = 3667128.

The previous prime is 3667127. The next prime is 3667141. The reversal of 3667129 is 9217663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2941225 + 725904 = 1715^2 + 852^2 .

It is a cyclic number.

It is not a de Polignac number, because 3667129 - 2¹ = 3667127 is a prime.

Together with 3667127, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 3667094 and 3667103.

It is not a weakly prime, because it can be changed into another prime (3667127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1833564 + 1833565.

It is an arithmetic number, because the mean of its divisors is an integer number (1833565).

Almost surely, 2^3667129 is an apocalyptic number.

It is an amenable number.

3667129 is a deficient number, since it is larger than the sum of its proper divisors (1).

3667129 is an equidigital number, since it uses as much as digits as its factorization.

3667129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 34.

The square root of 3667129 is about 1914.9749345618. The cubic root of 3667129 is about 154.2086478642.

The spelling of 3667129 in words is "three million, six hundred sixty-seven thousand, one hundred twenty-nine".