393366 has 16 divisors (see below), whose sum is σ = 802224. Its totient is φ = 128544.

The previous prime is 393361. The next prime is 393373. The reversal of 393366 is 663393.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393361) by changing a digit.

393366 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 7 ways as a sum of consecutive naturals, for example, 301 + ... + 936.

It is an arithmetic number, because the mean of its divisors is an integer number (50139).

2³⁹³³⁶⁶ is an apocalyptic number.

393366 is an abundant number, since it is smaller than the sum of its proper divisors (408858).

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

393366 is a wasteful number, since it uses less digits than its factorization.

393366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295.

The product of its digits is 8748, while the sum is 30.

The square root of 393366 is about 627.1889667397. The cubic root of 393366 is about 73.2710260475.

The spelling of 393366 in words is "three hundred ninety-three thousand, three hundred sixty-six".