487957 has 4 divisors (see below), whose sum is σ = 493920. Its totient is φ = 481996.

The previous prime is 487943. The next prime is 487973. The reversal of 487957 is 759784.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 487957 - 2⁷ = 487829 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

487957 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487997) 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, 2857 + ... + 3022.

It is an arithmetic number, because the mean of its divisors is an integer number (123480).

2⁴⁸⁷⁹⁵⁷ is an apocalyptic number.

It is an amenable number.

487957 is a deficient number, since it is larger than the sum of its proper divisors (5963).

487957 is an equidigital number, since it uses as much as digits as its factorization.

487957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5962.

The product of its digits is 70560, while the sum is 40.

The square root of 487957 is about 698.5391900244. The cubic root of 487957 is about 78.7276311709.

It can be divided in two parts, 487 and 957, that added together give a square (1444 = 38²).

The spelling of 487957 in words is "four hundred eighty-seven thousand, nine hundred fifty-seven".