3900887 has 2 divisors, whose sum is σ = 3900888. Its totient is φ = 3900886.

The previous prime is 3900881. The next prime is 3900893. The reversal of 3900887 is 7880093.

It is a balanced prime because it is at equal distance from previous prime (3900881) and next prime (3900893).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3900887 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3900881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1950443 + 1950444.

It is an arithmetic number, because the mean of its divisors is an integer number (1950444).

Almost surely, 2^3900887 is an apocalyptic number.

3900887 is a deficient number, since it is larger than the sum of its proper divisors (1).

3900887 is an equidigital number, since it uses as much as digits as its factorization.

3900887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 3900887 is about 1975.0663280002. The cubic root of 3900887 is about 157.4180240238.

The spelling of 3900887 in words is "three million, nine hundred thousand, eight hundred eighty-seven".