4062991 has 2 divisors, whose sum is σ = 4062992. Its totient is φ = 4062990.

The previous prime is 4062967. The next prime is 4063013. The reversal of 4062991 is 1992604.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4062991 - 2⁵ = 4062959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4062911) 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, 2031495 + 2031496.

It is an arithmetic number, because the mean of its divisors is an integer number (2031496).

Almost surely, 2^4062991 is an apocalyptic number.

4062991 is a deficient number, since it is larger than the sum of its proper divisors (1).

4062991 is an equidigital number, since it uses as much as digits as its factorization.

4062991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 4062991 is about 2015.6862355039. The cubic root of 4062991 is about 159.5690355399.

The spelling of 4062991 in words is "four million, sixty-two thousand, nine hundred ninety-one".