3408869 has 2 divisors, whose sum is σ = 3408870. Its totient is φ = 3408868.

The previous prime is 3408829. The next prime is 3408877. The reversal of 3408869 is 9688043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3378244 + 30625 = 1838^2 + 175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3408869 is a prime.

It is a super-2 number, since 2×3408869² = 23240775718322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3408829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1704434 + 1704435.

It is an arithmetic number, because the mean of its divisors is an integer number (1704435).

Almost surely, 2^3408869 is an apocalyptic number.

It is an amenable number.

3408869 is a deficient number, since it is larger than the sum of its proper divisors (1).

3408869 is an equidigital number, since it uses as much as digits as its factorization.

3408869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 3408869 is about 1846.3122704461. The cubic root of 3408869 is about 150.5000938179.

The spelling of 3408869 in words is "three million, four hundred eight thousand, eight hundred sixty-nine".