494889504 has 96 divisors (see below), whose sum is σ = 1404607680. Its totient is φ = 152036352.

The previous prime is 494889503. The next prime is 494889511. The reversal of 494889504 is 405988494.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (494889503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63822 + ... + 71154.

It is an arithmetic number, because the mean of its divisors is an integer number (14631330).

Almost surely, 2^494889504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494889504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (702303840).

494889504 is an abundant number, since it is smaller than the sum of its proper divisors (909718176).

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

494889504 is a wasteful number, since it uses less digits than its factorization.

494889504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7402 (or 7394 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 51.

The square root of 494889504 is about 22246.1121097598. The cubic root of 494889504 is about 790.9871247524.

The spelling of 494889504 in words is "four hundred ninety-four million, eight hundred eighty-nine thousand, five hundred four".