378346 has 8 divisors (see below), whose sum is σ = 573444. Its totient is φ = 187200.

The previous prime is 378317. The next prime is 378353. The reversal of 378346 is 643873.

378346 = T₃₁ + T₃₂ + ... + T₁₃₁.

It can be written as a sum of positive squares in 2 ways, for example, as 378225 + 121 = 615^2 + 11^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 735 + ... + 1138.

2³⁷⁸³⁴⁶ is an apocalyptic number.

378346 is a deficient number, since it is larger than the sum of its proper divisors (195098).

378346 is a wasteful number, since it uses less digits than its factorization.

378346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976.

The product of its digits is 12096, while the sum is 31.

The square root of 378346 is about 615.0983661172. The cubic root of 378346 is about 72.3263222881.

The spelling of 378346 in words is "three hundred seventy-eight thousand, three hundred forty-six".