3427009 has 2 divisors, whose sum is σ = 3427010. Its totient is φ = 3427008.

The previous prime is 3426991. The next prime is 3427027. The reversal of 3427009 is 9007243.

It is a balanced prime because it is at equal distance from previous prime (3426991) and next prime (3427027).

It can be written as a sum of positive squares in only one way, i.e., 1809025 + 1617984 = 1345^2 + 1272^2 .

It is a cyclic number.

It is not a de Polignac number, because 3427009 - 2⁹ = 3426497 is a prime.

It is equal to p₂₄₅₃₅₆ and since 3427009 and 245356 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 (3427079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1713504 + 1713505.

It is an arithmetic number, because the mean of its divisors is an integer number (1713505).

Almost surely, 2^3427009 is an apocalyptic number.

It is an amenable number.

3427009 is a deficient number, since it is larger than the sum of its proper divisors (1).

3427009 is an equidigital number, since it uses as much as digits as its factorization.

3427009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 3427009 is about 1851.2182475332. The cubic root of 3427009 is about 150.7665794034.

The spelling of 3427009 in words is "three million, four hundred twenty-seven thousand, nine".