491932 has 12 divisors (see below), whose sum is σ = 983920. Its totient is φ = 210816.

The previous prime is 491923. The next prime is 491951. The reversal of 491932 is 239194.

It is a happy number.

491932 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 17569 = 491932 / (4 + 9 + 1 + 9 + 3 + 2).

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 491932.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8757 + ... + 8812.

2⁴⁹¹⁹³² is an apocalyptic number.

It is an amenable number.

491932 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

491932 is a wasteful number, since it uses less digits than its factorization.

491932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17580 (or 17578 counting only the distinct ones).

The product of its digits is 1944, while the sum is 28.

The square root of 491932 is about 701.3786423894. The cubic root of 491932 is about 78.9408305541.

The spelling of 491932 in words is "four hundred ninety-one thousand, nine hundred thirty-two".