378366 has 16 divisors (see below), whose sum is σ = 796800. Its totient is φ = 119448.

The previous prime is 378361. The next prime is 378379. The reversal of 378366 is 663873.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1546 + ... + 1773.

It is an arithmetic number, because the mean of its divisors is an integer number (49800).

2³⁷⁸³⁶⁶ is an apocalyptic number.

378366 is an abundant number, since it is smaller than the sum of its proper divisors (418434).

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

378366 is a wasteful number, since it uses less digits than its factorization.

378366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3343.

The product of its digits is 18144, while the sum is 33.

The square root of 378366 is about 615.1146234646. The cubic root of 378366 is about 72.3275966956.

The spelling of 378366 in words is "three hundred seventy-eight thousand, three hundred sixty-six".