494200865 has 4 divisors (see below), whose sum is σ = 593041044. Its totient is φ = 395360688.

The previous prime is 494200831. The next prime is 494200871. The reversal of 494200865 is 568002494.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 568002494 = 2 ⋅284001247.

It can be written as a sum of positive squares in 2 ways, for example, as 133656721 + 360544144 = 11561^2 + 18988^2 .

It is a cyclic number.

It is not a de Polignac number, because 494200865 - 2¹⁰ = 494199841 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49420082 + ... + 49420091.

It is an arithmetic number, because the mean of its divisors is an integer number (148260261).

Almost surely, 2^494200865 is an apocalyptic number.

It is an amenable number.

494200865 is a deficient number, since it is larger than the sum of its proper divisors (98840179).

494200865 is an equidigital number, since it uses as much as digits as its factorization.

494200865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98840178.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 494200865 is about 22230.6289834543. The cubic root of 494200865 is about 790.6200681159.

The spelling of 494200865 in words is "four hundred ninety-four million, two hundred thousand, eight hundred sixty-five".