396078 has 16 divisors (see below), whose sum is σ = 798336. Its totient is φ = 131000.

The previous prime is 396061. The next prime is 396079. The reversal of 396078 is 870693.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396079) 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, 1375 + ... + 1637.

It is an arithmetic number, because the mean of its divisors is an integer number (49896).

2³⁹⁶⁰⁷⁸ is an apocalyptic number.

396078 is an abundant number, since it is smaller than the sum of its proper divisors (402258).

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

396078 is a wasteful number, since it uses less digits than its factorization.

396078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 396078 is about 629.3472809189. The cubic root of 396078 is about 73.4390257417.

The spelling of 396078 in words is "three hundred ninety-six thousand, seventy-eight".