487951 has 4 divisors (see below), whose sum is σ = 516672. Its totient is φ = 459232.

The previous prime is 487943. The next prime is 487973. The reversal of 487951 is 159784.

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 487951 - 2³ = 487943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487051) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14335 + ... + 14368.

It is an arithmetic number, because the mean of its divisors is an integer number (129168).

2⁴⁸⁷⁹⁵¹ is an apocalyptic number.

487951 is a deficient number, since it is larger than the sum of its proper divisors (28721).

487951 is a wasteful number, since it uses less digits than its factorization.

487951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28720.

The product of its digits is 10080, while the sum is 34.

The square root of 487951 is about 698.5348953345. The cubic root of 487951 is about 78.7273084869.

The spelling of 487951 in words is "four hundred eighty-seven thousand, nine hundred fifty-one".