396788 has 24 divisors (see below), whose sum is σ = 817152. Its totient is φ = 165024.

The previous prime is 396733. The next prime is 396833. The reversal of 396788 is 887693.

It is a congruent number.

It is an unprimeable number.

396788 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, 845 + ... + 1227.

It is an arithmetic number, because the mean of its divisors is an integer number (34048).

2³⁹⁶⁷⁸⁸ 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 396788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408576).

396788 is an abundant number, since it is smaller than the sum of its proper divisors (420364).

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

396788 is a wasteful number, since it uses less digits than its factorization.

396788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 429 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 396788 is about 629.9111048394. The cubic root of 396788 is about 73.4828812308.

The spelling of 396788 in words is "three hundred ninety-six thousand, seven hundred eighty-eight".