378648 has 32 divisors (see below), whose sum is σ = 1052400. Its totient is φ = 126144.

The previous prime is 378629. The next prime is 378661. The reversal of 378648 is 846873.

378648 is a `hidden beast` number, since 3 + 7 + 8 + 648 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

378648 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 661 + ... + 1092.

2³⁷⁸⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

378648 is an abundant number, since it is smaller than the sum of its proper divisors (673752).

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

378648 is a wasteful number, since it uses less digits than its factorization.

378648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768 (or 1758 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 378648 is about 615.3438063392. The cubic root of 378648 is about 72.3455610627.

The spelling of 378648 in words is "three hundred seventy-eight thousand, six hundred forty-eight".