490582836 has 18 divisors (see below), whose sum is σ = 1240084482. Its totient is φ = 163527600.

The previous prime is 490582819. The next prime is 490582837. The reversal of 490582836 is 638285094.

490582836 is a `hidden beast` number, since 490 + 5 + 82 + 83 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 257409936 + 233172900 = 16044^2 + 15270^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 490582791 and 490582800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490582837) 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 5 ways as a sum of consecutive naturals, for example, 6813615 + ... + 6813686.

Almost surely, 2^490582836 is an apocalyptic number.

It is an amenable number.

490582836 is an abundant number, since it is smaller than the sum of its proper divisors (749501646).

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

490582836 is a wasteful number, since it uses less digits than its factorization.

490582836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13627311 (or 13627306 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 490582836 is about 22149.1046320162. The cubic root of 490582836 is about 788.6859723678.

The spelling of 490582836 in words is "four hundred ninety million, five hundred eighty-two thousand, eight hundred thirty-six".