491356 has 6 divisors (see below), whose sum is σ = 859880. Its totient is φ = 245676.

The previous prime is 491353. The next prime is 491357. The reversal of 491356 is 653194.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61416 + ... + 61423.

2⁴⁹¹³⁵⁶ is an apocalyptic number.

It is an amenable number.

491356 is a deficient number, since it is larger than the sum of its proper divisors (368524).

491356 is a wasteful number, since it uses less digits than its factorization.

491356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122843 (or 122841 counting only the distinct ones).

The product of its digits is 3240, while the sum is 28.

The square root of 491356 is about 700.9679022609. The cubic root of 491356 is about 78.9100080849.

It can be divided in two parts, 49135 and 6, that added together give a triangular number (49141 = T₃₁₃).

The spelling of 491356 in words is "four hundred ninety-one thousand, three hundred fifty-six".