3935887 has 2 divisors, whose sum is σ = 3935888. Its totient is φ = 3935886.

The previous prime is 3935879. The next prime is 3935917. The reversal of 3935887 is 7885393.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3935887 - 2³ = 3935879 is a prime.

3935887 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3935837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1967943 + 1967944.

It is an arithmetic number, because the mean of its divisors is an integer number (1967944).

Almost surely, 2^3935887 is an apocalyptic number.

3935887 is a deficient number, since it is larger than the sum of its proper divisors (1).

3935887 is an equidigital number, since it uses as much as digits as its factorization.

3935887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 43.

The square root of 3935887 is about 1983.9070038689. The cubic root of 3935887 is about 157.8874244820.

The spelling of 3935887 in words is "three million, nine hundred thirty-five thousand, eight hundred eighty-seven".