396678 has 16 divisors (see below), whose sum is σ = 840240. Its totient is φ = 124416.

The previous prime is 396667. The next prime is 396679. The reversal of 396678 is 876693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1843 + ... + 2046.

It is an arithmetic number, because the mean of its divisors is an integer number (52515).

2³⁹⁶⁶⁷⁸ is an apocalyptic number.

396678 is an abundant number, since it is smaller than the sum of its proper divisors (443562).

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

396678 is a wasteful number, since it uses less digits than its factorization.

396678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3911.

The product of its digits is 54432, while the sum is 39.

The square root of 396678 is about 629.8237848795. The cubic root of 396678 is about 73.4760901450.

The spelling of 396678 in words is "three hundred ninety-six thousand, six hundred seventy-eight".