3616409 has 2 divisors, whose sum is σ = 3616410. Its totient is φ = 3616408.

The previous prime is 3616399. The next prime is 3616421. The reversal of 3616409 is 9046163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3222025 + 394384 = 1795^2 + 628^2 .

It is a cyclic number.

It is not a de Polignac number, because 3616409 - 2¹⁶ = 3550873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3616489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1808204 + 1808205.

It is an arithmetic number, because the mean of its divisors is an integer number (1808205).

Almost surely, 2^3616409 is an apocalyptic number.

It is an amenable number.

3616409 is a deficient number, since it is larger than the sum of its proper divisors (1).

3616409 is an equidigital number, since it uses as much as digits as its factorization.

3616409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 3616409 is about 1901.6858310457. The cubic root of 3616409 is about 153.4943923086.

The spelling of 3616409 in words is "three million, six hundred sixteen thousand, four hundred nine".