393422 has 8 divisors (see below), whose sum is σ = 593400. Its totient is φ = 195624.

The previous prime is 393413. The next prime is 393451. The reversal of 393422 is 224393.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 29 + ... + 887.

It is an arithmetic number, because the mean of its divisors is an integer number (74175).

2³⁹³⁴²² is an apocalyptic number.

393422 is a deficient number, since it is larger than the sum of its proper divisors (199978).

393422 is a wasteful number, since it uses less digits than its factorization.

393422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090.

The product of its digits is 1296, while the sum is 23.

The square root of 393422 is about 627.2336087934. The cubic root of 393422 is about 73.2745028627.

The spelling of 393422 in words is "three hundred ninety-three thousand, four hundred twenty-two".