470191 has 4 divisors (see below), whose sum is σ = 472384. Its totient is φ = 468000.

The previous prime is 470179. The next prime is 470201. The reversal of 470191 is 191074.

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-470191 is a prime.

It is a Duffinian number.

470191 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470131) 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, 735 + ... + 1216.

It is an arithmetic number, because the mean of its divisors is an integer number (118096).

2⁴⁷⁰¹⁹¹ is an apocalyptic number.

470191 is a deficient number, since it is larger than the sum of its proper divisors (2193).

470191 is a wasteful number, since it uses less digits than its factorization.

470191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 470191 is about 685.7047469575. The cubic root of 470191 is about 77.7603316123.

The spelling of 470191 in words is "four hundred seventy thousand, one hundred ninety-one".