396884 has 12 divisors (see below), whose sum is σ = 698964. Its totient is φ = 197184.

The previous prime is 396883. The next prime is 396887. The reversal of 396884 is 488693.

396884 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10000 + 386884 = 100^2 + 622^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1094 + ... + 1410.

It is an arithmetic number, because the mean of its divisors is an integer number (58247).

2³⁹⁶⁸⁸⁴ is an apocalyptic number.

It is an amenable number.

396884 is a deficient number, since it is larger than the sum of its proper divisors (302080).

396884 is a wasteful number, since it uses less digits than its factorization.

396884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634 (or 632 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 396884 is about 629.9873014593. The cubic root of 396884 is about 73.4888069709.

Subtracting 396884 from its reverse (488693), we obtain a square (91809 = 303²).

The spelling of 396884 in words is "three hundred ninety-six thousand, eight hundred eighty-four".