378846 has 24 divisors (see below), whose sum is σ = 884520. Its totient is φ = 116496.

The previous prime is 378823. The next prime is 378869. The reversal of 378846 is 648873.

It is an interprime number because it is at equal distance from previous prime (378823) and next prime (378869).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 378846.

It is a congruent number.

It is an unprimeable number.

378846 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 11 ways as a sum of consecutive naturals, for example, 576 + ... + 1043.

It is an arithmetic number, because the mean of its divisors is an integer number (36855).

2³⁷⁸⁸⁴⁶ is an apocalyptic number.

378846 is an abundant number, since it is smaller than the sum of its proper divisors (505674).

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

378846 is a wasteful number, since it uses less digits than its factorization.

378846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640 (or 1637 counting only the distinct ones).

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

The square root of 378846 is about 615.5046709815. The cubic root of 378846 is about 72.3581690126.

The spelling of 378846 in words is "three hundred seventy-eight thousand, eight hundred forty-six".