3940895 has 16 divisors (see below), whose sum is σ = 5459520. Its totient is φ = 2674944.

The previous prime is 3940891. The next prime is 3940931. The reversal of 3940895 is 5980493.

3940895 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3940895 - 2² = 3940891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3940891) 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, 3299 + ... + 4331.

It is an arithmetic number, because the mean of its divisors is an integer number (341220).

Almost surely, 2^3940895 is an apocalyptic number.

3940895 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3940895 is a deficient number, since it is larger than the sum of its proper divisors (1518625).

3940895 is a wasteful number, since it uses less digits than its factorization.

3940895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 3940895 is about 1985.1687585694. The cubic root of 3940895 is about 157.9543611173.

The spelling of 3940895 in words is "three million, nine hundred forty thousand, eight hundred ninety-five".