394493 has 4 divisors (see below), whose sum is σ = 430368. Its totient is φ = 358620.

The previous prime is 394489. The next prime is 394501.

394493 is nontrivially palindromic in base 10.

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 a cyclic number.

It is not a de Polignac number, because 394493 - 2² = 394489 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 394493.

It is not an unprimeable number, because it can be changed into a prime (394453) 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, 17921 + ... + 17942.

It is an arithmetic number, because the mean of its divisors is an integer number (107592).

2³⁹⁴⁴⁹³ is an apocalyptic number.

It is an amenable number.

394493 is a deficient number, since it is larger than the sum of its proper divisors (35875).

394493 is a wasteful number, since it uses less digits than its factorization.

394493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35874.

The product of its digits is 11664, while the sum is 32.

The square root of 394493 is about 628.0867774440. The cubic root of 394493 is about 73.3409335557.

The spelling of 394493 in words is "three hundred ninety-four thousand, four hundred ninety-three".