490533904 has 75 divisors (see below), whose sum is σ = 1118643773. Its totient is φ = 208368384.

The previous prime is 490533893. The next prime is 490533907. The reversal of 490533904 is 409335094.

The square root of 490533904 is 22148.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8643600 + 481890304 = 2940^2 + 21952^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490533907) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 4340952 + ... + 4341064.

Almost surely, 2^490533904 is an apocalyptic number.

490533904 is the 22148-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 490533904

490533904 is an abundant number, since it is smaller than the sum of its proper divisors (628109869).

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

490533904 is an frugal number, since it uses more digits than its factorization.

490533904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 37.

The cubic root of 490533904 is about 788.6597496369.

Adding to 490533904 its reverse (409335094), we get a palindrome (899868998).

It can be divided in two parts, 4905 and 33904, that added together give a square (38809 = 197²).

The spelling of 490533904 in words is "four hundred ninety million, five hundred thirty-three thousand, nine hundred four".