488138 has 24 divisors (see below), whose sum is σ = 904932. Its totient is φ = 196224.

The previous prime is 488119. The next prime is 488143. The reversal of 488138 is 831884.

It can be written as a sum of positive squares in 2 ways, for example, as 405769 + 82369 = 637^2 + 287^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 488138.

It is an unprimeable number.

488138 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1520 + ... + 1812.

2⁴⁸⁸¹³⁸ is an apocalyptic number.

488138 is a deficient number, since it is larger than the sum of its proper divisors (416794).

488138 is a wasteful number, since it uses less digits than its factorization.

488138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326 (or 319 counting only the distinct ones).

The product of its digits is 6144, while the sum is 32.

The square root of 488138 is about 698.6687340936. The cubic root of 488138 is about 78.7373642278.

It can be divided in two parts, 488 and 138, that added together give a palindrome (626).

The spelling of 488138 in words is "four hundred eighty-eight thousand, one hundred thirty-eight".