394425 has 18 divisors (see below), whose sum is σ = 706862. Its totient is φ = 210240.

The previous prime is 394411. The next prime is 394453. The reversal of 394425 is 524493.

It can be written as a sum of positive squares in 3 ways, for example, as 1296 + 393129 = 36^2 + 627^2 .

It is not a de Polignac number, because 394425 - 2⁴ = 394409 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 394425.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 652 + ... + 1101.

2³⁹⁴⁴²⁵ is an apocalyptic number.

It is an amenable number.

394425 is a deficient number, since it is larger than the sum of its proper divisors (312437).

394425 is a wasteful number, since it uses less digits than its factorization.

394425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769 (or 1761 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 394425 is about 628.0326424637. The cubic root of 394425 is about 73.3367193111.

It can be divided in two parts, 3944 and 25, that added together give a square (3969 = 63²).

The spelling of 394425 in words is "three hundred ninety-four thousand, four hundred twenty-five".