4619491 has 2 divisors, whose sum is σ = 4619492. Its totient is φ = 4619490.

The previous prime is 4619477. The next prime is 4619501. The reversal of 4619491 is 1949164.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4619491 - 2⁹ = 4618979 is a prime.

It is not a weakly prime, because it can be changed into another prime (4619441) 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, 2309745 + 2309746.

It is an arithmetic number, because the mean of its divisors is an integer number (2309746).

Almost surely, 2^4619491 is an apocalyptic number.

4619491 is a deficient number, since it is larger than the sum of its proper divisors (1).

4619491 is an equidigital number, since it uses as much as digits as its factorization.

4619491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 34.

The square root of 4619491 is about 2149.3001186433. The cubic root of 4619491 is about 166.5449141908.

The spelling of 4619491 in words is "four million, six hundred nineteen thousand, four hundred ninety-one".