3108409 has 2 divisors, whose sum is σ = 3108410. Its totient is φ = 3108408.

The previous prime is 3108383. The next prime is 3108431. The reversal of 3108409 is 9048013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1836025 + 1272384 = 1355^2 + 1128^2 .

It is a cyclic number.

It is not a de Polignac number, because 3108409 - 2¹¹ = 3106361 is a prime.

It is a super-2 number, since 2×3108409² = 19324413022562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3108449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1554204 + 1554205.

It is an arithmetic number, because the mean of its divisors is an integer number (1554205).

Almost surely, 2^3108409 is an apocalyptic number.

It is an amenable number.

3108409 is a deficient number, since it is larger than the sum of its proper divisors (1).

3108409 is an equidigital number, since it uses as much as digits as its factorization.

3108409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 3108409 is about 1763.0680644830. The cubic root of 3108409 is about 145.9416949901.

The spelling of 3108409 in words is "three million, one hundred eight thousand, four hundred nine".