4631489 has 2 divisors, whose sum is σ = 4631490. Its totient is φ = 4631488.

The previous prime is 4631479. The next prime is 4631513. The reversal of 4631489 is 9841364.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4376464 + 255025 = 2092^2 + 505^2 .

It is a cyclic number.

It is not a de Polignac number, because 4631489 - 2⁸ = 4631233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4631479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2315744 + 2315745.

It is an arithmetic number, because the mean of its divisors is an integer number (2315745).

Almost surely, 2^4631489 is an apocalyptic number.

It is an amenable number.

4631489 is a deficient number, since it is larger than the sum of its proper divisors (1).

4631489 is an equidigital number, since it uses as much as digits as its factorization.

4631489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 35.

The square root of 4631489 is about 2152.0894498138. The cubic root of 4631489 is about 166.6889761247.

The spelling of 4631489 in words is "four million, six hundred thirty-one thousand, four hundred eighty-nine".