393708 has 48 divisors (see below), whose sum is σ = 1084160. Its totient is φ = 108864.

The previous prime is 393697. The next prime is 393709. The reversal of 393708 is 807393.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3558 + ... + 3666.

2³⁹³⁷⁰⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 393708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (542080).

393708 is an abundant number, since it is smaller than the sum of its proper divisors (690452).

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

393708 is a wasteful number, since it uses less digits than its factorization.

393708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 393708 is about 627.4615526070. The cubic root of 393708 is about 73.2922543118.

The spelling of 393708 in words is "three hundred ninety-three thousand, seven hundred eight".