3381409 has 2 divisors, whose sum is σ = 3381410. Its totient is φ = 3381408.

The previous prime is 3381401. The next prime is 3381431. The reversal of 3381409 is 9041833.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2650384 + 731025 = 1628^2 + 855^2 .

It is a cyclic number.

It is not a de Polignac number, because 3381409 - 2³ = 3381401 is a prime.

It is a super-2 number, since 2×3381409² = 22867853650562, which contains 22 as substring.

3381409 is a lucky number.

It is equal to p₂₄₂₂₉₉ and since 3381409 and 242299 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (3381401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1690704 + 1690705.

It is an arithmetic number, because the mean of its divisors is an integer number (1690705).

Almost surely, 2^3381409 is an apocalyptic number.

It is an amenable number.

3381409 is a deficient number, since it is larger than the sum of its proper divisors (1).

3381409 is an equidigital number, since it uses as much as digits as its factorization.

3381409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 3381409 is about 1838.8607886406. The cubic root of 3381409 is about 150.0948881105.

The spelling of 3381409 in words is "three million, three hundred eighty-one thousand, four hundred nine".