667466 has 8 divisors (see below), whose sum is σ = 1010880. Its totient is φ = 330508.

The previous prime is 667463. The next prime is 667477. The reversal of 667466 is 664766.

667466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×667466² = 891021722312, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (667463) 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, 1346 + ... + 1773.

It is an arithmetic number, because the mean of its divisors is an integer number (126360).

2⁶⁶⁷⁴⁶⁶ is an apocalyptic number.

667466 is a deficient number, since it is larger than the sum of its proper divisors (343414).

667466 is a wasteful number, since it uses less digits than its factorization.

667466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3228.

The product of its digits is 36288, while the sum is 35.

The square root of 667466 is about 816.9859239914. The cubic root of 667466 is about 87.3929466282.

The spelling of 667466 in words is "six hundred sixty-seven thousand, four hundred sixty-six".