494356589 has 4 divisors (see below), whose sum is σ = 494665824. Its totient is φ = 494047356.

The previous prime is 494356571. The next prime is 494356601. The reversal of 494356589 is 985653494.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 494356589 - 2¹⁶ = 494291053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 494356589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494356559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152207 + ... + 155420.

It is an arithmetic number, because the mean of its divisors is an integer number (123666456).

Almost surely, 2^494356589 is an apocalyptic number.

It is an amenable number.

494356589 is a deficient number, since it is larger than the sum of its proper divisors (309235).

494356589 is a wasteful number, since it uses less digits than its factorization.

494356589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309234.

The product of its digits is 4665600, while the sum is 53.

The square root of 494356589 is about 22234.1311725914. The cubic root of 494356589 is about 790.7031015535.

The spelling of 494356589 in words is "four hundred ninety-four million, three hundred fifty-six thousand, five hundred eighty-nine".