3398669 has 2 divisors, whose sum is σ = 3398670. Its totient is φ = 3398668.

The previous prime is 3398651. The next prime is 3398671. The reversal of 3398669 is 9668933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2992900 + 405769 = 1730^2 + 637^2 .

It is an emirp because it is prime and its reverse (9668933) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3398669 - 2¹⁶ = 3333133 is a prime.

It is a super-2 number, since 2×3398669² = 23101901943122, which contains 22 as substring.

Together with 3398671, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3398639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1699334 + 1699335.

It is an arithmetic number, because the mean of its divisors is an integer number (1699335).

Almost surely, 2^3398669 is an apocalyptic number.

It is an amenable number.

3398669 is a deficient number, since it is larger than the sum of its proper divisors (1).

3398669 is an equidigital number, since it uses as much as digits as its factorization.

3398669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952, while the sum is 44.

The square root of 3398669 is about 1843.5479380803. The cubic root of 3398669 is about 150.3498353192.

The spelling of 3398669 in words is "three million, three hundred ninety-eight thousand, six hundred sixty-nine".