493311 has 24 divisors (see below), whose sum is σ = 819840. Its totient is φ = 258336.

The previous prime is 493301. The next prime is 493313. The reversal of 493311 is 113394.

It is not a de Polignac number, because 493311 - 2⁵ = 493279 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

Its product of digits (324) is a multiple of the sum of its prime divisors (162).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493313) 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, 3480 + ... + 3618.

It is an arithmetic number, because the mean of its divisors is an integer number (34160).

2⁴⁹³³¹¹ is an apocalyptic number.

493311 is a deficient number, since it is larger than the sum of its proper divisors (326529).

493311 is a wasteful number, since it uses less digits than its factorization.

493311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 162 counting only the distinct ones).

The product of its digits is 324, while the sum is 21.

The square root of 493311 is about 702.3610182805. The cubic root of 493311 is about 79.0145249157.

The spelling of 493311 in words is "four hundred ninety-three thousand, three hundred eleven".