394270 has 16 divisors (see below), whose sum is σ = 719280. Its totient is φ = 155584.

The previous prime is 394259. The next prime is 394271. The reversal of 394270 is 72493.

394270 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394271) by changing a digit.

394270 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 7 ways as a sum of consecutive naturals, for example, 669 + ... + 1111.

It is an arithmetic number, because the mean of its divisors is an integer number (44955).

2³⁹⁴²⁷⁰ is an apocalyptic number.

394270 is a deficient number, since it is larger than the sum of its proper divisors (325010).

394270 is a wasteful number, since it uses less digits than its factorization.

394270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 394270 is about 627.9092291088. The cubic root of 394270 is about 73.3271115015.

The spelling of 394270 in words is "three hundred ninety-four thousand, two hundred seventy".