394025 has 6 divisors (see below), whose sum is σ = 488622. Its totient is φ = 315200.

The previous prime is 394019. The next prime is 394039. The reversal of 394025 is 520493.

It can be written as a sum of positive squares in 3 ways, for example, as 38809 + 355216 = 197^2 + 596^2 .

It is not a de Polignac number, because 394025 - 2⁶ = 393961 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 394025.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 7856 + ... + 7905.

It is an arithmetic number, because the mean of its divisors is an integer number (81437).

2³⁹⁴⁰²⁵ is an apocalyptic number.

It is an amenable number.

394025 is a deficient number, since it is larger than the sum of its proper divisors (94597).

394025 is a wasteful number, since it uses less digits than its factorization.

394025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15771 (or 15766 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 394025 is about 627.7141068990. The cubic root of 394025 is about 73.3119198268.

The spelling of 394025 in words is "three hundred ninety-four thousand, twenty-five".