3439669 has 2 divisors, whose sum is σ = 3439670. Its totient is φ = 3439668.

The previous prime is 3439663. The next prime is 3439679. The reversal of 3439669 is 9669343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3017169 + 422500 = 1737^2 + 650^2 .

It is an emirp because it is prime and its reverse (9669343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3439669 - 2⁵ = 3439637 is a prime.

It is a super-2 number, since 2×3439669² = 23662645659122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3439663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1719834 + 1719835.

It is an arithmetic number, because the mean of its divisors is an integer number (1719835).

Almost surely, 2^3439669 is an apocalyptic number.

It is an amenable number.

3439669 is a deficient number, since it is larger than the sum of its proper divisors (1).

3439669 is an equidigital number, since it uses as much as digits as its factorization.

3439669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 40.

The square root of 3439669 is about 1854.6344653327. The cubic root of 3439669 is about 150.9520043944.

The spelling of 3439669 in words is "three million, four hundred thirty-nine thousand, six hundred sixty-nine".