378706 has 4 divisors (see below), whose sum is σ = 568062. Its totient is φ = 189352.

The previous prime is 378691. The next prime is 378713. The reversal of 378706 is 607873.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 342225 + 36481 = 585^2 + 191^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94675 + ... + 94678.

2³⁷⁸⁷⁰⁶ is an apocalyptic number.

378706 is a deficient number, since it is larger than the sum of its proper divisors (189356).

378706 is a wasteful number, since it uses less digits than its factorization.

378706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189355.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 378706 is about 615.3909326599. The cubic root of 378706 is about 72.3492547556.

The spelling of 378706 in words is "three hundred seventy-eight thousand, seven hundred six".