3238409 has 2 divisors, whose sum is σ = 3238410. Its totient is φ = 3238408.

The previous prime is 3238399. The next prime is 3238421. The reversal of 3238409 is 9048323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3222025 + 16384 = 1795^2 + 128^2 .

It is a cyclic number.

It is not a de Polignac number, because 3238409 - 2⁴ = 3238393 is a prime.

It is not a weakly prime, because it can be changed into another prime (3238489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1619204 + 1619205.

It is an arithmetic number, because the mean of its divisors is an integer number (1619205).

Almost surely, 2^3238409 is an apocalyptic number.

It is an amenable number.

3238409 is a deficient number, since it is larger than the sum of its proper divisors (1).

3238409 is an equidigital number, since it uses as much as digits as its factorization.

3238409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 3238409 is about 1799.5580012881. The cubic root of 3238409 is about 147.9484998559.

The spelling of 3238409 in words is "three million, two hundred thirty-eight thousand, four hundred nine".