393426 has 24 divisors (see below), whose sum is σ = 930384. Its totient is φ = 119160.

The previous prime is 393413. The next prime is 393451. The reversal of 393426 is 624393.

It is a self number, because there is not a number n which added to its sum of digits gives 393426.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 393426.

It is an unprimeable number.

393426 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 796 + ... + 1191.

It is an arithmetic number, because the mean of its divisors is an integer number (38766).

2³⁹³⁴²⁶ is an apocalyptic number.

393426 is an abundant number, since it is smaller than the sum of its proper divisors (536958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

393426 is a wasteful number, since it uses less digits than its factorization.

393426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006 (or 2003 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 393426 is about 627.2367973899. The cubic root of 393426 is about 73.2747511941.

The spelling of 393426 in words is "three hundred ninety-three thousand, four hundred twenty-six".