3840547 has 2 divisors, whose sum is σ = 3840548. Its totient is φ = 3840546.

The previous prime is 3840541. The next prime is 3840601. The reversal of 3840547 is 7450483.

3840547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3840547 - 2¹⁹ = 3316259 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3840541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1920273 + 1920274.

It is an arithmetic number, because the mean of its divisors is an integer number (1920274).

Almost surely, 2^3840547 is an apocalyptic number.

3840547 is a deficient number, since it is larger than the sum of its proper divisors (1).

3840547 is an equidigital number, since it uses as much as digits as its factorization.

3840547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 3840547 is about 1959.7313591408. The cubic root of 3840547 is about 156.6021408236.

The spelling of 3840547 in words is "three million, eight hundred forty thousand, five hundred forty-seven".