481666 has 16 divisors (see below), whose sum is σ = 777024. Its totient is φ = 223344.

The previous prime is 481651. The next prime is 481667. The reversal of 481666 is 666184.

It is not an unprimeable number, because it can be changed into a prime (481667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1561 + ... + 1843.

It is an arithmetic number, because the mean of its divisors is an integer number (48564).

2⁴⁸¹⁶⁶⁶ is an apocalyptic number.

481666 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

481666 is a deficient number, since it is larger than the sum of its proper divisors (295358).

481666 is a wasteful number, since it uses less digits than its factorization.

481666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345.

The product of its digits is 6912, while the sum is 31.

The square root of 481666 is about 694.0216134963. The cubic root of 481666 is about 78.3878339098.

The spelling of 481666 in words is "four hundred eighty-one thousand, six hundred sixty-six".