466991 has 4 divisors (see below), whose sum is σ = 533712. Its totient is φ = 400272.

The previous prime is 466957. The next prime is 466997. The reversal of 466991 is 199664.

466991 = 139² + 140² + ... + 159².

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-466991 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 (466997) 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, 33350 + ... + 33363.

It is an arithmetic number, because the mean of its divisors is an integer number (133428).

2⁴⁶⁶⁹⁹¹ is an apocalyptic number.

466991 is a deficient number, since it is larger than the sum of its proper divisors (66721).

466991 is an equidigital number, since it uses as much as digits as its factorization.

466991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66720.

The product of its digits is 11664, while the sum is 35.

The square root of 466991 is about 683.3673975249. The cubic root of 466991 is about 77.5835242416.

The spelling of 466991 in words is "four hundred sixty-six thousand, nine hundred ninety-one".