4049887 has 2 divisors, whose sum is σ = 4049888. Its totient is φ = 4049886.

The previous prime is 4049873. The next prime is 4049891. The reversal of 4049887 is 7889404.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4049887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4049827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2024943 + 2024944.

It is an arithmetic number, because the mean of its divisors is an integer number (2024944).

Almost surely, 2^4049887 is an apocalyptic number.

4049887 is a deficient number, since it is larger than the sum of its proper divisors (1).

4049887 is an equidigital number, since it uses as much as digits as its factorization.

4049887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 4049887 is about 2012.4331044783. The cubic root of 4049887 is about 159.3973028893.

The spelling of 4049887 in words is "four million, forty-nine thousand, eight hundred eighty-seven".