3669427 has 2 divisors, whose sum is σ = 3669428. Its totient is φ = 3669426.

The previous prime is 3669383. The next prime is 3669469. The reversal of 3669427 is 7249663.

It is a strong prime.

It is an emirp because it is prime and its reverse (7249663) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3669427 is a prime.

It is not a weakly prime, because it can be changed into another prime (3669487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1834713 + 1834714.

It is an arithmetic number, because the mean of its divisors is an integer number (1834714).

Almost surely, 2^3669427 is an apocalyptic number.

3669427 is a deficient number, since it is larger than the sum of its proper divisors (1).

3669427 is an equidigital number, since it uses as much as digits as its factorization.

3669427 is an odious number, because the sum of its binary digits is odd.

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

The square root of 3669427 is about 1915.5748484463. The cubic root of 3669427 is about 154.2408526649.

It can be divided in two parts, 3669 and 427, that added together give a 12-th power (4096 = 2¹²).

The spelling of 3669427 in words is "three million, six hundred sixty-nine thousand, four hundred twenty-seven".