394244 has 6 divisors (see below), whose sum is σ = 689934. Its totient is φ = 197120.

The previous prime is 394241. The next prime is 394249. The reversal of 394244 is 442493.

It can be written as a sum of positive squares in only one way, i.e., 315844 + 78400 = 562^2 + 280^2 .

It is a d-powerful number, because it can be written as 3¹¹ + 9 + 2¹⁷ + 4⁶ + 4⁷ + 4⁸ .

It is not an unprimeable number, because it can be changed into a prime (394241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49277 + ... + 49284.

It is an arithmetic number, because the mean of its divisors is an integer number (114989).

2³⁹⁴²⁴⁴ is an apocalyptic number.

It is an amenable number.

394244 is a deficient number, since it is larger than the sum of its proper divisors (295690).

394244 is a wasteful number, since it uses less digits than its factorization.

394244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98565 (or 98563 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 394244 is about 627.8885251380. Note that the first 3 decimals coincide. The cubic root of 394244 is about 73.3254996223.

The spelling of 394244 in words is "three hundred ninety-four thousand, two hundred forty-four".