4061987 has 2 divisors, whose sum is σ = 4061988. Its totient is φ = 4061986.

The previous prime is 4061983. The next prime is 4061999. The reversal of 4061987 is 7891604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4061987 - 2² = 4061983 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4061983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2030993 + 2030994.

It is an arithmetic number, because the mean of its divisors is an integer number (2030994).

Almost surely, 2^4061987 is an apocalyptic number.

4061987 is a deficient number, since it is larger than the sum of its proper divisors (1).

4061987 is an equidigital number, since it uses as much as digits as its factorization.

4061987 is an odious number, because the sum of its binary digits is odd.

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

The square root of 4061987 is about 2015.4371734192. The cubic root of 4061987 is about 159.5558908304. Note that the first 3 decimals are identical.

The spelling of 4061987 in words is "four million, sixty-one thousand, nine hundred eighty-seven".