396280 has 16 divisors (see below), whose sum is σ = 891720. Its totient is φ = 158496.

The previous prime is 396269. The next prime is 396293. The reversal of 396280 is 82693.

It is a congruent number.

It is an unprimeable number.

396280 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 3 ways as a sum of consecutive naturals, for example, 4914 + ... + 4993.

2³⁹⁶²⁸⁰ is an apocalyptic number.

It is an amenable number.

396280 is an abundant number, since it is smaller than the sum of its proper divisors (495440).

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

396280 is a wasteful number, since it uses less digits than its factorization.

396280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9918 (or 9914 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 396280 is about 629.5077441938. The cubic root of 396280 is about 73.4515082678.

It can be divided in two parts, 396 and 280, that added together give a palindrome (676).

The spelling of 396280 in words is "three hundred ninety-six thousand, two hundred eighty".