487166 has 4 divisors (see below), whose sum is σ = 730752. Its totient is φ = 243582.

The previous prime is 487133. The next prime is 487177. The reversal of 487166 is 661784.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121790 + ... + 121793.

It is an arithmetic number, because the mean of its divisors is an integer number (182688).

2⁴⁸⁷¹⁶⁶ is an apocalyptic number.

487166 is a deficient number, since it is larger than the sum of its proper divisors (243586).

487166 is a wasteful number, since it uses less digits than its factorization.

487166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243585.

The product of its digits is 8064, while the sum is 32.

The square root of 487166 is about 697.9727788388. The cubic root of 487166 is about 78.6850678330.

The spelling of 487166 in words is "four hundred eighty-seven thousand, one hundred sixty-six".