3896609 has 2 divisors, whose sum is σ = 3896610. Its totient is φ = 3896608.

The previous prime is 3896597. The next prime is 3896657. The reversal of 3896609 is 9066983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3341584 + 555025 = 1828^2 + 745^2 .

It is an emirp because it is prime and its reverse (9066983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3896609 - 2²⁰ = 2848033 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3896699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1948304 + 1948305.

It is an arithmetic number, because the mean of its divisors is an integer number (1948305).

Almost surely, 2^3896609 is an apocalyptic number.

It is an amenable number.

3896609 is a deficient number, since it is larger than the sum of its proper divisors (1).

3896609 is an equidigital number, since it uses as much as digits as its factorization.

3896609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 3896609 is about 1973.9830293090. The cubic root of 3896609 is about 157.3604575749.

The spelling of 3896609 in words is "three million, eight hundred ninety-six thousand, six hundred nine".