293391 has 12 divisors (see below), whose sum is σ = 484432. Its totient is φ = 167616.

The previous prime is 293357. The next prime is 293399. The reversal of 293391 is 193392.

It is not a de Polignac number, because 293391 - 2⁷ = 293263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 293391.

It is not an unprimeable number, because it can be changed into a prime (293399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2266 + ... + 2391.

2²⁹³³⁹¹ is an apocalyptic number.

293391 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

293391 is a deficient number, since it is larger than the sum of its proper divisors (191041).

293391 is a wasteful number, since it uses less digits than its factorization.

293391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4670 (or 4667 counting only the distinct ones).

The product of its digits is 1458, while the sum is 27.

The square root of 293391 is about 541.6557947627. The cubic root of 293391 is about 66.4480533513.

Adding to 293391 its product of digits (1458), we get a square (294849 = 543²).

Subtracting from 293391 its reverse (193392), we obtain a palindrome (99999).

The spelling of 293391 in words is "two hundred ninety-three thousand, three hundred ninety-one".