3667429 has 2 divisors, whose sum is σ = 3667430. Its totient is φ = 3667428.

The previous prime is 3667387. The next prime is 3667453. The reversal of 3667429 is 9247663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3602404 + 65025 = 1898^2 + 255^2 .

It is an emirp because it is prime and its reverse (9247663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3667429 - 2¹³ = 3659237 is a prime.

It is a d-powerful number, because it can be written as 3¹³ + 6³ + 6⁸ + 7² + 4⁹ + 2¹⁷ + 9 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3667129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1833714 + 1833715.

It is an arithmetic number, because the mean of its divisors is an integer number (1833715).

Almost surely, 2^3667429 is an apocalyptic number.

It is an amenable number.

3667429 is a deficient number, since it is larger than the sum of its proper divisors (1).

3667429 is an equidigital number, since it uses as much as digits as its factorization.

3667429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 37.

The square root of 3667429 is about 1915.0532629669. The cubic root of 3667429 is about 154.2128529097.

It can be divided in two parts, 3667 and 429, that added together give a 12-th power (4096 = 2¹²).

The spelling of 3667429 in words is "three million, six hundred sixty-seven thousand, four hundred twenty-nine".