494122408 has 32 divisors (see below), whose sum is σ = 1056441960. Its totient is φ = 214640640.

The previous prime is 494122403. The next prime is 494122411. The reversal of 494122408 is 804221494.

It can be written as a sum of positive squares in 4 ways, for example, as 459759364 + 34363044 = 21442^2 + 5862^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (494122403) 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 7 ways as a sum of consecutive naturals, for example, 137973 + ... + 141508.

Almost surely, 2^494122408 is an apocalyptic number.

It is an amenable number.

494122408 is an abundant number, since it is smaller than the sum of its proper divisors (562319552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

494122408 is a wasteful number, since it uses less digits than its factorization.

494122408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279517 (or 279513 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 494122408 is about 22228.8642984746. The cubic root of 494122408 is about 790.5782275298.

The spelling of 494122408 in words is "four hundred ninety-four million, one hundred twenty-two thousand, four hundred eight".