393412 has 12 divisors (see below), whose sum is σ = 700560. Its totient is φ = 193256.

The previous prime is 393403. The next prime is 393413. The reversal of 393412 is 214393.

It is not an unprimeable number, because it can be changed into a prime (393413) by changing a digit.

393412 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 (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 598 + ... + 1069.

It is an arithmetic number, because the mean of its divisors is an integer number (58380).

2³⁹³⁴¹² is an apocalyptic number.

It is an amenable number.

393412 is a deficient number, since it is larger than the sum of its proper divisors (307148).

393412 is a wasteful number, since it uses less digits than its factorization.

393412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730 (or 1728 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

The square root of 393412 is about 627.2256372311. The cubic root of 393412 is about 73.2738820271.

The spelling of 393412 in words is "three hundred ninety-three thousand, four hundred twelve".