487923 has 4 divisors (see below), whose sum is σ = 650568. Its totient is φ = 325280.

The previous prime is 487897. The next prime is 487933. The reversal of 487923 is 329784.

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 487923 - 2⁵ = 487891 is a prime.

It is a D-number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (487933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81318 + ... + 81323.

It is an arithmetic number, because the mean of its divisors is an integer number (162642).

2⁴⁸⁷⁹²³ is an apocalyptic number.

487923 is a deficient number, since it is larger than the sum of its proper divisors (162645).

487923 is a wasteful number, since it uses less digits than its factorization.

487923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162644.

The product of its digits is 12096, while the sum is 33.

The square root of 487923 is about 698.5148530991. The cubic root of 487923 is about 78.7258025934.

The spelling of 487923 in words is "four hundred eighty-seven thousand, nine hundred twenty-three".