487138 has 8 divisors (see below), whose sum is σ = 733788. Its totient is φ = 242544.

The previous prime is 487133. The next prime is 487177. The reversal of 487138 is 831784.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 480249 + 6889 = 693^2 + 83^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (487133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420 + ... + 1072.

2⁴⁸⁷¹³⁸ is an apocalyptic number.

487138 is a deficient number, since it is larger than the sum of its proper divisors (246650).

487138 is a wasteful number, since it uses less digits than its factorization.

487138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028.

The product of its digits is 5376, while the sum is 31.

The square root of 487138 is about 697.9527204618. The cubic root of 487138 is about 78.6835603222.

It can be divided in two parts, 487 and 138, that added together give a 4-th power (625 = 5⁴).

The spelling of 487138 in words is "four hundred eighty-seven thousand, one hundred thirty-eight".