4690591 has 2 divisors, whose sum is σ = 4690592. Its totient is φ = 4690590.

The previous prime is 4690571. The next prime is 4690619. The reversal of 4690591 is 1950964.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4690591 - 2⁷ = 4690463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4690531) 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, 2345295 + 2345296.

It is an arithmetic number, because the mean of its divisors is an integer number (2345296).

Almost surely, 2^4690591 is an apocalyptic number.

4690591 is a deficient number, since it is larger than the sum of its proper divisors (1).

4690591 is an equidigital number, since it uses as much as digits as its factorization.

4690591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 4690591 is about 2165.7772276945. Note that the first 3 decimals coincide. The cubic root of 4690591 is about 167.3950155222.

The spelling of 4690591 in words is "four million, six hundred ninety thousand, five hundred ninety-one".