3423661 has 2 divisors, whose sum is σ = 3423662. Its totient is φ = 3423660.

The previous prime is 3423659. The next prime is 3423677. The reversal of 3423661 is 1663243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2268036 + 1155625 = 1506^2 + 1075^2 .

It is a cyclic number.

It is not a de Polignac number, because 3423661 - 2¹ = 3423659 is a prime.

Together with 3423659, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3423611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1711830 + 1711831.

It is an arithmetic number, because the mean of its divisors is an integer number (1711831).

Almost surely, 2^3423661 is an apocalyptic number.

It is an amenable number.

3423661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3423661 is an equidigital number, since it uses as much as digits as its factorization.

3423661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 25.

The square root of 3423661 is about 1850.3137571774. The cubic root of 3423661 is about 150.7174665110.

The spelling of 3423661 in words is "three million, four hundred twenty-three thousand, six hundred sixty-one".