3429661 has 2 divisors, whose sum is σ = 3429662. Its totient is φ = 3429660.

The previous prime is 3429659. The next prime is 3429667. The reversal of 3429661 is 1669243.

3429661 is nontrivially palindromic in base 12.

3429661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2013561 + 1416100 = 1419^2 + 1190^2 .

It is an emirp because it is prime and its reverse (1669243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3429661 - 2¹ = 3429659 is a prime.

Together with 3429659, 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 (3429667) 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 as a sum of consecutive naturals, namely, 1714830 + 1714831.

It is an arithmetic number, because the mean of its divisors is an integer number (1714831).

Almost surely, 2^3429661 is an apocalyptic number.

It is an amenable number.

3429661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3429661 is an equidigital number, since it uses as much as digits as its factorization.

3429661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 31.

The square root of 3429661 is about 1851.9343940864. The cubic root of 3429661 is about 150.8054597483.

The spelling of 3429661 in words is "three million, four hundred twenty-nine thousand, six hundred sixty-one".