4075987 has 2 divisors, whose sum is σ = 4075988. Its totient is φ = 4075986.

The previous prime is 4075963. The next prime is 4075993. The reversal of 4075987 is 7895704.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4075987 - 2¹¹ = 4073939 is a prime.

It is a super-2 number, since 2×4075987² = 33227340048338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4072987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2037993 + 2037994.

It is an arithmetic number, because the mean of its divisors is an integer number (2037994).

Almost surely, 2^4075987 is an apocalyptic number.

4075987 is a deficient number, since it is larger than the sum of its proper divisors (1).

4075987 is an equidigital number, since it uses as much as digits as its factorization.

4075987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 4075987 is about 2018.9073777665. The cubic root of 4075987 is about 159.7389885003.

The spelling of 4075987 in words is "four million, seventy-five thousand, nine hundred eighty-seven".