494705305 has 8 divisors (see below), whose sum is σ = 601778952. Its totient is φ = 390342528.

The previous prime is 494705297. The next prime is 494705311. The reversal of 494705305 is 503507494.

It can be written as a sum of positive squares in 4 ways, for example, as 17239104 + 477466201 = 4152^2 + 21851^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 494705305 - 2³ = 494705297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 677314 + ... + 678043.

It is an arithmetic number, because the mean of its divisors is an integer number (75222369).

Almost surely, 2^494705305 is an apocalyptic number.

It is an amenable number.

494705305 is a deficient number, since it is larger than the sum of its proper divisors (107073647).

494705305 is a wasteful number, since it uses less digits than its factorization.

494705305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355435.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 494705305 is about 22241.9716976710. The cubic root of 494705305 is about 790.8889768383. Note that the first 3 decimals are identical.

The spelling of 494705305 in words is "four hundred ninety-four million, seven hundred five thousand, three hundred five".