468991 has 4 divisors (see below), whose sum is σ = 477000. Its totient is φ = 460984.

The previous prime is 468983. The next prime is 469009. The reversal of 468991 is 199864.

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 468991 - 2³ = 468983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 468991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (468191) 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, 3916 + ... + 4033.

It is an arithmetic number, because the mean of its divisors is an integer number (119250).

2⁴⁶⁸⁹⁹¹ is an apocalyptic number.

468991 is a deficient number, since it is larger than the sum of its proper divisors (8009).

468991 is an equidigital number, since it uses as much as digits as its factorization.

468991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8008.

The product of its digits is 15552, while the sum is 37.

The square root of 468991 is about 684.8291757804. The cubic root of 468991 is about 77.6941231330.

The spelling of 468991 in words is "four hundred sixty-eight thousand, nine hundred ninety-one".