3840541 has 2 divisors, whose sum is σ = 3840542. Its totient is φ = 3840540.

The previous prime is 3840533. The next prime is 3840547. The reversal of 3840541 is 1450483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3437316 + 403225 = 1854^2 + 635^2 .

It is a cyclic number.

It is not a de Polignac number, because 3840541 - 2³ = 3840533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3840547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1920270 + 1920271.

It is an arithmetic number, because the mean of its divisors is an integer number (1920271).

Almost surely, 2^3840541 is an apocalyptic number.

It is an amenable number.

3840541 is a deficient number, since it is larger than the sum of its proper divisors (1).

3840541 is an equidigital number, since it uses as much as digits as its factorization.

3840541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 3840541 is about 1959.7298283182. The cubic root of 3840541 is about 156.6020592715.

The spelling of 3840541 in words is "three million, eight hundred forty thousand, five hundred forty-one".