491344 has 40 divisors (see below), whose sum is σ = 1124928. Its totient is φ = 203520.

The previous prime is 491341. The next prime is 491353. The reversal of 491344 is 443194.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4539 + ... + 4645.

2⁴⁹¹³⁴⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 491344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (562464).

491344 is an abundant number, since it is smaller than the sum of its proper divisors (633584).

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

491344 is a wasteful number, since it uses less digits than its factorization.

491344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 157 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 491344 is about 700.9593426155. The cubic root of 491344 is about 78.9093656940.

It can be divided in two parts, 49 and 1344, that multiplied together give a palindrome (65856).

The spelling of 491344 in words is "four hundred ninety-one thousand, three hundred forty-four".