394293 has 4 divisors (see below), whose sum is σ = 525728. Its totient is φ = 262860.

The previous prime is 394291. The next prime is 394319. The reversal of 394293 is 392493.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 394293 - 2¹ = 394291 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 394293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65713 + ... + 65718.

It is an arithmetic number, because the mean of its divisors is an integer number (131432).

2³⁹⁴²⁹³ is an apocalyptic number.

It is an amenable number.

394293 is a deficient number, since it is larger than the sum of its proper divisors (131435).

394293 is a wasteful number, since it uses less digits than its factorization.

394293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131434.

The product of its digits is 5832, while the sum is 30.

The square root of 394293 is about 627.9275435908. The cubic root of 394293 is about 73.3285373356.

The spelling of 394293 in words is "three hundred ninety-four thousand, two hundred ninety-three".