470991 has 8 divisors (see below), whose sum is σ = 661120. Its totient is φ = 297432.

The previous prime is 470959. The next prime is 470993. The reversal of 470991 is 199074.

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

It is not a de Polignac number, because 470991 - 2⁵ = 470959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 470991.

It is not an unprimeable number, because it can be changed into a prime (470993) 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, 4075 + ... + 4188.

It is an arithmetic number, because the mean of its divisors is an integer number (82640).

2⁴⁷⁰⁹⁹¹ is an apocalyptic number.

470991 is a deficient number, since it is larger than the sum of its proper divisors (190129).

470991 is a wasteful number, since it uses less digits than its factorization.

470991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8285.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 470991 is about 686.2878404868. The cubic root of 470991 is about 77.8044080390.

The spelling of 470991 in words is "four hundred seventy thousand, nine hundred ninety-one".