493331 has 4 divisors (see below), whose sum is σ = 494832. Its totient is φ = 491832.

The previous prime is 493313. The next prime is 493333. The reversal of 493331 is 133394.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133394 = 2 ⋅66697.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-493331 is a prime.

It is a super-2 number, since 2×493331² = 486750951122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 493297 and 493306.

It is not an unprimeable number, because it can be changed into a prime (493333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20 + ... + 993.

It is an arithmetic number, because the mean of its divisors is an integer number (123708).

2⁴⁹³³³¹ is an apocalyptic number.

493331 is a deficient number, since it is larger than the sum of its proper divisors (1501).

493331 is a wasteful number, since it uses less digits than its factorization.

493331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500.

The product of its digits is 972, while the sum is 23.

The square root of 493331 is about 702.3752558284. The cubic root of 493331 is about 79.0155927134.

The spelling of 493331 in words is "four hundred ninety-three thousand, three hundred thirty-one".