4095940 has 12 divisors (see below), whose sum is σ = 8601516. Its totient is φ = 1638368.

The previous prime is 4095901. The next prime is 4095953. The reversal of 4095940 is 495904.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1827904 + 2268036 = 1352^2 + 1506^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102379 + ... + 102418.

It is an arithmetic number, because the mean of its divisors is an integer number (716793).

Almost surely, 2^4095940 is an apocalyptic number.

It is an amenable number.

4095940 is an abundant number, since it is smaller than the sum of its proper divisors (4505576).

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

4095940 is a wasteful number, since it uses less digits than its factorization.

4095940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204806 (or 204804 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 4095940 is about 2023.8428792769. The cubic root of 4095940 is about 159.9992187462. Note that the first 3 decimals are identical.

The spelling of 4095940 in words is "four million, ninety-five thousand, nine hundred forty".