494306289 has 9 divisors (see below), whose sum is σ = 714094329. Its totient is φ = 329493060.

The previous prime is 494306237. The next prime is 494306303. The reversal of 494306289 is 982603494.

The square root of 494306289 is 22233.

It is a perfect power (a square), and thus also a powerful number.

It is a tau number, because it is divible by the number of its divisors (9).

It is a de Polignac number, because none of the positive numbers 2^k-494306289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (494206289) 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 8 ways as a sum of consecutive naturals, for example, 62994 + ... + 70404.

Almost surely, 2^494306289 is an apocalyptic number.

494306289 is the 22233-rd square number.

494306289 is the 11117-th centered octagonal number.

It is an amenable number.

494306289 is a deficient number, since it is larger than the sum of its proper divisors (219788040).

494306289 is an frugal number, since it uses more digits than its factorization.

494306289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14828 (or 7414 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The cubic root of 494306289 is about 790.6762830478.

The spelling of 494306289 in words is "four hundred ninety-four million, three hundred six thousand, two hundred eighty-nine".