3840961 has 2 divisors, whose sum is σ = 3840962. Its totient is φ = 3840960.

The previous prime is 3840953. The next prime is 3840971. The reversal of 3840961 is 1690483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2002225 + 1838736 = 1415^2 + 1356^2 .

It is an emirp because it is prime and its reverse (1690483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3840961 - 2³ = 3840953 is a prime.

It is not a weakly prime, because it can be changed into another prime (3840911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1920480 + 1920481.

It is an arithmetic number, because the mean of its divisors is an integer number (1920481).

Almost surely, 2^3840961 is an apocalyptic number.

It is an amenable number.

3840961 is a deficient number, since it is larger than the sum of its proper divisors (1).

3840961 is an equidigital number, since it uses as much as digits as its factorization.

3840961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 3840961 is about 1959.8369830167. The cubic root of 3840961 is about 156.6077677093.

The spelling of 3840961 in words is "three million, eight hundred forty thousand, nine hundred sixty-one".