3401689 has 2 divisors, whose sum is σ = 3401690. Its totient is φ = 3401688.

The previous prime is 3401663. The next prime is 3401707. The reversal of 3401689 is 9861043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3168400 + 233289 = 1780^2 + 483^2 .

It is a cyclic number.

It is not a de Polignac number, because 3401689 - 2⁷ = 3401561 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3401689.

It is not a weakly prime, because it can be changed into another prime (3401659) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1700844 + 1700845.

It is an arithmetic number, because the mean of its divisors is an integer number (1700845).

Almost surely, 2^3401689 is an apocalyptic number.

It is an amenable number.

3401689 is a deficient number, since it is larger than the sum of its proper divisors (1).

3401689 is an equidigital number, since it uses as much as digits as its factorization.

3401689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 3401689 is about 1844.3668290229. The cubic root of 3401689 is about 150.3943549120.

The spelling of 3401689 in words is "three million, four hundred one thousand, six hundred eighty-nine".