4046591 has 2 divisors, whose sum is σ = 4046592. Its totient is φ = 4046590.

The previous prime is 4046587. The next prime is 4046593. The reversal of 4046591 is 1956404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4046591 - 2² = 4046587 is a prime.

Together with 4046593, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4046593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2023295 + 2023296.

It is an arithmetic number, because the mean of its divisors is an integer number (2023296).

Almost surely, 2^4046591 is an apocalyptic number.

4046591 is a deficient number, since it is larger than the sum of its proper divisors (1).

4046591 is an equidigital number, since it uses as much as digits as its factorization.

4046591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 4046591 is about 2011.6140285850. The cubic root of 4046591 is about 159.3540493286.

The spelling of 4046591 in words is "four million, forty-six thousand, five hundred ninety-one".