491960 has 48 divisors (see below), whose sum is σ = 1292760. Its totient is φ = 168000.

The previous prime is 491951. The next prime is 491969. The reversal of 491960 is 69194.

It is an interprime number because it is at equal distance from previous prime (491951) and next prime (491969).

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491969) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1835 + ... + 2085.

2⁴⁹¹⁹⁶⁰ is an apocalyptic number.

491960 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 491960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646380).

491960 is an abundant number, since it is smaller than the sum of its proper divisors (800800).

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

491960 is a wasteful number, since it uses less digits than its factorization.

491960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 491960 is about 701.3986027930. The cubic root of 491960 is about 78.9423282552.

The spelling of 491960 in words is "four hundred ninety-one thousand, nine hundred sixty".