493731 has 24 divisors (see below), whose sum is σ = 864864. Its totient is φ = 264960.

The previous prime is 493729. The next prime is 493733. The reversal of 493731 is 137394.

It is an interprime number because it is at equal distance from previous prime (493729) and next prime (493733).

It is not a de Polignac number, because 493731 - 2¹ = 493729 is a prime.

It is a super-2 number, since 2×493731² = 487540600722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 493695 and 493704.

It is not an unprimeable number, because it can be changed into a prime (493733) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 841 + ... + 1301.

It is an arithmetic number, because the mean of its divisors is an integer number (36036).

2⁴⁹³⁷³¹ is an apocalyptic number.

493731 is a deficient number, since it is larger than the sum of its proper divisors (371133).

493731 is a wasteful number, since it uses less digits than its factorization.

493731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 488 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 493731 is about 702.6599462044. The cubic root of 493731 is about 79.0369426108.

The spelling of 493731 in words is "four hundred ninety-three thousand, seven hundred thirty-one".