378412 has 6 divisors (see below), whose sum is σ = 662228. Its totient is φ = 189204.

The previous prime is 378407. The next prime is 378439. The reversal of 378412 is 214873.

It is an Ulam number.

It is an unprimeable number.

378412 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 as a sum of consecutive naturals, namely, 47298 + ... + 47305.

2³⁷⁸⁴¹² is an apocalyptic number.

It is an amenable number.

378412 is a deficient number, since it is larger than the sum of its proper divisors (283816).

378412 is a wasteful number, since it uses less digits than its factorization.

378412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94607 (or 94605 counting only the distinct ones).

The product of its digits is 1344, while the sum is 25.

The square root of 378412 is about 615.1520137332. The cubic root of 378412 is about 72.3305276625.

Adding to 378412 its product of digits (1344), we get a triangular number (379756 = T₈₇₁).

The spelling of 378412 in words is "three hundred seventy-eight thousand, four hundred twelve".