488383138 has 4 divisors (see below), whose sum is σ = 732574710. Its totient is φ = 244191568.

The previous prime is 488383117. The next prime is 488383151. The reversal of 488383138 is 831383884.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 475545249 + 12837889 = 21807^2 + 3583^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122095783 + ... + 122095786.

Almost surely, 2^488383138 is an apocalyptic number.

488383138 is a deficient number, since it is larger than the sum of its proper divisors (244191572).

488383138 is a wasteful number, since it uses less digits than its factorization.

488383138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244191571.

The product of its digits is 442368, while the sum is 46.

The square root of 488383138 is about 22099.3922540870. The cubic root of 488383138 is about 787.5054239317.

The spelling of 488383138 in words is "four hundred eighty-eight million, three hundred eighty-three thousand, one hundred thirty-eight".