378636 has 24 divisors (see below), whose sum is σ = 893760. Its totient is φ = 124752.

The previous prime is 378629. The next prime is 378661. The reversal of 378636 is 636873.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 378597 and 378606.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1555 + ... + 1781.

It is an arithmetic number, because the mean of its divisors is an integer number (37240).

2³⁷⁸⁶³⁶ is an apocalyptic number.

It is an amenable number.

378636 is an abundant number, since it is smaller than the sum of its proper divisors (515124).

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

378636 is a wasteful number, since it uses less digits than its factorization.

378636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373 (or 371 counting only the distinct ones).

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

The square root of 378636 is about 615.3340556153. The cubic root of 378636 is about 72.3447968033.

The spelling of 378636 in words is "three hundred seventy-eight thousand, six hundred thirty-six".