393244 has 12 divisors (see below), whose sum is σ = 728784. Its totient is φ = 185024.

The previous prime is 393241. The next prime is 393247. The reversal of 393244 is 442393.

It is an interprime number because it is at equal distance from previous prime (393241) and next prime (393247).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2824 + ... + 2959.

It is an arithmetic number, because the mean of its divisors is an integer number (60732).

2³⁹³²⁴⁴ is an apocalyptic number.

393244 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

393244 is a deficient number, since it is larger than the sum of its proper divisors (335540).

393244 is a wasteful number, since it uses less digits than its factorization.

393244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5804 (or 5802 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

The square root of 393244 is about 627.0916998334. The cubic root of 393244 is about 73.2634504144.

The spelling of 393244 in words is "three hundred ninety-three thousand, two hundred forty-four".