3840761 has 2 divisors, whose sum is σ = 3840762. Its totient is φ = 3840760.

The previous prime is 3840737. The next prime is 3840787. The reversal of 3840761 is 1670483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2085136 + 1755625 = 1444^2 + 1325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3840761 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3840721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1920380 + 1920381.

It is an arithmetic number, because the mean of its divisors is an integer number (1920381).

Almost surely, 2^3840761 is an apocalyptic number.

It is an amenable number.

3840761 is a deficient number, since it is larger than the sum of its proper divisors (1).

3840761 is an equidigital number, since it uses as much as digits as its factorization.

3840761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 3840761 is about 1959.7859577005. The cubic root of 3840761 is about 156.6050494575.

The spelling of 3840761 in words is "three million, eight hundred forty thousand, seven hundred sixty-one".