4642489 has 2 divisors, whose sum is σ = 4642490. Its totient is φ = 4642488.

The previous prime is 4642483. The next prime is 4642493. The reversal of 4642489 is 9842464.

4642489 is nontrivially palindromic in base 12.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4141225 + 501264 = 2035^2 + 708^2 .

It is a cyclic number.

It is not a de Polignac number, because 4642489 - 2⁵ = 4642457 is a prime.

It is not a weakly prime, because it can be changed into another prime (4642483) 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, 2321244 + 2321245.

It is an arithmetic number, because the mean of its divisors is an integer number (2321245).

Almost surely, 2^4642489 is an apocalyptic number.

It is an amenable number.

4642489 is a deficient number, since it is larger than the sum of its proper divisors (1).

4642489 is an equidigital number, since it uses as much as digits as its factorization.

4642489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 37.

The square root of 4642489 is about 2154.6435900167. The cubic root of 4642489 is about 166.8208364572.

The spelling of 4642489 in words is "four million, six hundred forty-two thousand, four hundred eighty-nine".