2368409 has 2 divisors, whose sum is σ = 2368410. Its totient is φ = 2368408.

The previous prime is 2368403. The next prime is 2368417. The reversal of 2368409 is 9048632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1974025 + 394384 = 1405^2 + 628^2 .

It is a cyclic number.

It is not a de Polignac number, because 2368409 - 2⁴ = 2368393 is a prime.

It is a super-2 number, since 2×2368409² = 11218722382562, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2368403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1184204 + 1184205.

It is an arithmetic number, because the mean of its divisors is an integer number (1184205).

2^2368409 is an apocalyptic number.

It is an amenable number.

2368409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2368409 is an equidigital number, since it uses as much as digits as its factorization.

2368409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 2368409 is about 1538.9636123054. The cubic root of 2368409 is about 133.2965474908.

The spelling of 2368409 in words is "two million, three hundred sixty-eight thousand, four hundred nine".