491470 has 48 divisors (see below), whose sum is σ = 1108080. Its totient is φ = 155904.

The previous prime is 491461. The next prime is 491483. The reversal of 491470 is 74194.

It is a congruent number.

It is an unprimeable number.

491470 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8301 + ... + 8359.

It is an arithmetic number, because the mean of its divisors is an integer number (23085).

2⁴⁹¹⁴⁷⁰ is an apocalyptic number.

491470 is an abundant number, since it is smaller than the sum of its proper divisors (616610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

491470 is a wasteful number, since it uses less digits than its factorization.

491470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 491470 is about 701.0492136790. The cubic root of 491470 is about 78.9161102765.

It can be divided in two parts, 491 and 470, that added together give a square (961 = 31²).

The spelling of 491470 in words is "four hundred ninety-one thousand, four hundred seventy".