3840766 has 4 divisors (see below), whose sum is σ = 5761152. Its totient is φ = 1920382.

The previous prime is 3840761. The next prime is 3840787. The reversal of 3840766 is 6670483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6670483 = 23 ⋅290021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3840761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 960190 + ... + 960193.

It is an arithmetic number, because the mean of its divisors is an integer number (1440288).

Almost surely, 2^3840766 is an apocalyptic number.

3840766 is a deficient number, since it is larger than the sum of its proper divisors (1920386).

3840766 is a wasteful number, since it uses less digits than its factorization.

3840766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920385.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 3840766 is about 1959.7872333496. The cubic root of 3840766 is about 156.6051174149.

It can be divided in two parts, 38 and 40766, that added together give a palindrome (40804).

The spelling of 3840766 in words is "three million, eight hundred forty thousand, seven hundred sixty-six".