471491 has 4 divisors (see below), whose sum is σ = 484272. Its totient is φ = 458712.

The previous prime is 471487. The next prime is 471503. The reversal of 471491 is 194174.

471491 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.

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 471491 - 2² = 471487 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 471491.

It is not an unprimeable number, because it can be changed into a prime (471451) 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, 6335 + ... + 6408.

It is an arithmetic number, because the mean of its divisors is an integer number (121068).

2⁴⁷¹⁴⁹¹ is an apocalyptic number.

471491 is a deficient number, since it is larger than the sum of its proper divisors (12781).

471491 is a wasteful number, since it uses less digits than its factorization.

471491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12780.

The product of its digits is 1008, while the sum is 26.

The square root of 471491 is about 686.6520224976. The cubic root of 471491 is about 77.8319304659.

The spelling of 471491 in words is "four hundred seventy-one thousand, four hundred ninety-one".