488731 has 4 divisors (see below), whose sum is σ = 491112. Its totient is φ = 486352.

The previous prime is 488729. The next prime is 488743. The reversal of 488731 is 137884.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 488731 - 2¹ = 488729 is a prime.

It is a super-2 number, since 2×488731² = 477715980722, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 488693 and 488702.

It is not an unprimeable number, because it can be changed into a prime (488701) 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, 850 + ... + 1303.

It is an arithmetic number, because the mean of its divisors is an integer number (122778).

2⁴⁸⁸⁷³¹ is an apocalyptic number.

488731 is a deficient number, since it is larger than the sum of its proper divisors (2381).

488731 is a wasteful number, since it uses less digits than its factorization.

488731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380.

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

The square root of 488731 is about 699.0929838012. The cubic root of 488731 is about 78.7692352442.

The spelling of 488731 in words is "four hundred eighty-eight thousand, seven hundred thirty-one".