378806 has 8 divisors (see below), whose sum is σ = 583680. Its totient is φ = 184248.

The previous prime is 378793. The next prime is 378809. The reversal of 378806 is 608873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378809) by changing a digit.

378806 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 3 ways as a sum of consecutive naturals, for example, 2486 + ... + 2633.

It is an arithmetic number, because the mean of its divisors is an integer number (72960).

2³⁷⁸⁸⁰⁶ is an apocalyptic number.

378806 is a deficient number, since it is larger than the sum of its proper divisors (204874).

378806 is a wasteful number, since it uses less digits than its factorization.

378806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5158.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 378806 is about 615.4721764629. The cubic root of 378806 is about 72.3556223061.

The spelling of 378806 in words is "three hundred seventy-eight thousand, eight hundred six".