491396 has 6 divisors (see below), whose sum is σ = 859950. Its totient is φ = 245696.

The previous prime is 491377. The next prime is 491417. The reversal of 491396 is 693194.

It can be written as a sum of positive squares in only one way, i.e., 409600 + 81796 = 640^2 + 286^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61421 + ... + 61428.

It is an arithmetic number, because the mean of its divisors is an integer number (143325).

2⁴⁹¹³⁹⁶ is an apocalyptic number.

It is an amenable number.

491396 is a deficient number, since it is larger than the sum of its proper divisors (368554).

491396 is a wasteful number, since it uses less digits than its factorization.

491396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122853 (or 122851 counting only the distinct ones).

The product of its digits is 5832, while the sum is 32.

The square root of 491396 is about 700.9964336571. The cubic root of 491396 is about 78.9121493122.

The spelling of 491396 in words is "four hundred ninety-one thousand, three hundred ninety-six".