3398869 has 2 divisors, whose sum is σ = 3398870. Its totient is φ = 3398868.

The previous prime is 3398851. The next prime is 3398873. The reversal of 3398869 is 9688933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3020644 + 378225 = 1738^2 + 615^2 .

It is an emirp because it is prime and its reverse (9688933) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3398869 - 2⁷ = 3398741 is a prime.

It is a super-2 number, since 2×3398869² = 23104620958322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3398669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1699434 + 1699435.

It is an arithmetic number, because the mean of its divisors is an integer number (1699435).

Almost surely, 2^3398869 is an apocalyptic number.

It is an amenable number.

3398869 is a deficient number, since it is larger than the sum of its proper divisors (1).

3398869 is an equidigital number, since it uses as much as digits as its factorization.

3398869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 46.

The square root of 3398869 is about 1843.6021805151. The cubic root of 3398869 is about 150.3527844519.

Subtracting 3398869 from its reverse (9688933), we obtain a square (6290064 = 2508²).

The spelling of 3398869 in words is "three million, three hundred ninety-eight thousand, eight hundred sixty-nine".