4000907 has 2 divisors, whose sum is σ = 4000908. Its totient is φ = 4000906.

The previous prime is 4000901. The next prime is 4000937. The reversal of 4000907 is 7090004.

4000907 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 4000907 - 2⁸ = 4000651 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4000901) 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, 2000453 + 2000454.

It is an arithmetic number, because the mean of its divisors is an integer number (2000454).

Almost surely, 2^4000907 is an apocalyptic number.

4000907 is a deficient number, since it is larger than the sum of its proper divisors (1).

4000907 is an equidigital number, since it uses as much as digits as its factorization.

4000907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 4000907 is about 2000.2267371476. The cubic root of 4000907 is about 158.7521023964.

The spelling of 4000907 in words is "four million, nine hundred seven", and thus it is an aban number.