494484172 has 48 divisors (see below), whose sum is σ = 1066945600. Its totient is φ = 195270912.

The previous prime is 494484167. The next prime is 494484173. The reversal of 494484172 is 271484494.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (494484173) 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 15 ways as a sum of consecutive naturals, for example, 318454 + ... + 320002.

Almost surely, 2^494484172 is an apocalyptic number.

It is an amenable number.

494484172 is an abundant number, since it is smaller than the sum of its proper divisors (572461428).

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

494484172 is a wasteful number, since it uses less digits than its factorization.

494484172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450 (or 2448 counting only the distinct ones).

The product of its digits is 258048, while the sum is 43.

The square root of 494484172 is about 22237.0000674551. Note that the first 4 decimals coincide. The cubic root of 494484172 is about 790.7711169625.

The spelling of 494484172 in words is "four hundred ninety-four million, four hundred eighty-four thousand, one hundred seventy-two".