491760 has 60 divisors (see below), whose sum is σ = 1653912. Its totient is φ = 130944.

The previous prime is 491747. The next prime is 491773. The reversal of 491760 is 67194.

It is an interprime number because it is at equal distance from previous prime (491747) and next prime (491773).

It is a tau number, because it is divible by the number of its divisors (60).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

491760 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 11 ways as a sum of consecutive naturals, for example, 379 + ... + 1061.

2⁴⁹¹⁷⁶⁰ is an apocalyptic number.

491760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 491760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (826956).

491760 is an abundant number, since it is smaller than the sum of its proper divisors (1162152).

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

491760 is a wasteful number, since it uses less digits than its factorization.

491760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 491760 is about 701.2560160170. The cubic root of 491760 is about 78.9316291431.

The spelling of 491760 in words is "four hundred ninety-one thousand, seven hundred sixty".