3840090 has 32 divisors (see below), whose sum is σ = 9702720. Its totient is φ = 969984.

The previous prime is 3840077. The next prime is 3840091. The reversal of 3840090 is 900483.

3840090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3840090.

It is not an unprimeable number, because it can be changed into a prime (3840091) 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 in 15 ways as a sum of consecutive naturals, for example, 2799 + ... + 3938.

It is an arithmetic number, because the mean of its divisors is an integer number (303210).

Almost surely, 2^3840090 is an apocalyptic number.

3840090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3840090 is an abundant number, since it is smaller than the sum of its proper divisors (5862630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3840090 is a wasteful number, since it uses less digits than its factorization.

3840090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6766.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 3840090 is about 1959.6147580583. The cubic root of 3840090 is about 156.5959290333.

The spelling of 3840090 in words is "three million, eight hundred forty thousand, ninety".