394573 has 6 divisors (see below), whose sum is σ = 416814. Its totient is φ = 373464.

The previous prime is 394571. The next prime is 394577. The reversal of 394573 is 375493.

It can be written as a sum of positive squares in only one way, i.e., 393129 + 1444 = 627^2 + 38^2 .

It is not a de Polignac number, because 394573 - 2¹ = 394571 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394571) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 186 + ... + 907.

It is an arithmetic number, because the mean of its divisors is an integer number (69469).

2³⁹⁴⁵⁷³ is an apocalyptic number.

It is an amenable number.

394573 is a deficient number, since it is larger than the sum of its proper divisors (22241).

394573 is a wasteful number, since it uses less digits than its factorization.

394573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131 (or 1112 counting only the distinct ones).

The product of its digits is 11340, while the sum is 31.

The square root of 394573 is about 628.1504596830. The cubic root of 394573 is about 73.3458908707.

The spelling of 394573 in words is "three hundred ninety-four thousand, five hundred seventy-three".