3861449 has 2 divisors, whose sum is σ = 3861450. Its totient is φ = 3861448.

The previous prime is 3861439. The next prime is 3861461. The reversal of 3861449 is 9441683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3087049 + 774400 = 1757^2 + 880^2 .

It is a cyclic number.

It is not a de Polignac number, because 3861449 - 2⁴ = 3861433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3861419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1930724 + 1930725.

It is an arithmetic number, because the mean of its divisors is an integer number (1930725).

Almost surely, 2^3861449 is an apocalyptic number.

It is an amenable number.

3861449 is a deficient number, since it is larger than the sum of its proper divisors (1).

3861449 is an equidigital number, since it uses as much as digits as its factorization.

3861449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 35.

The square root of 3861449 is about 1965.0569966289. The cubic root of 3861449 is about 156.8857269533.

The spelling of 3861449 in words is "three million, eight hundred sixty-one thousand, four hundred forty-nine".