494930285 has 4 divisors (see below), whose sum is σ = 593916348. Its totient is φ = 395944224.

The previous prime is 494930263. The next prime is 494930287. The reversal of 494930285 is 582039494.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 582039494 = 2 ⋅291019747.

It can be written as a sum of positive squares in 2 ways, for example, as 251507881 + 243422404 = 15859^2 + 15602^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-494930285 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494930287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49493024 + ... + 49493033.

It is an arithmetic number, because the mean of its divisors is an integer number (148479087).

Almost surely, 2^494930285 is an apocalyptic number.

It is an amenable number.

494930285 is a deficient number, since it is larger than the sum of its proper divisors (98986063).

494930285 is an equidigital number, since it uses as much as digits as its factorization.

494930285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98986062.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 494930285 is about 22247.0286780055. The cubic root of 494930285 is about 791.0088510567.

The spelling of 494930285 in words is "four hundred ninety-four million, nine hundred thirty thousand, two hundred eighty-five".