378436 has 12 divisors (see below), whose sum is σ = 680428. Its totient is φ = 184032.

The previous prime is 378407. The next prime is 378439. The reversal of 378436 is 634873.

It can be written as a sum of positive squares in 2 ways, for example, as 260100 + 118336 = 510^2 + 344^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 378398 and 378407.

It is not an unprimeable number, because it can be changed into a prime (378439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1131 + ... + 1426.

2³⁷⁸⁴³⁶ is an apocalyptic number.

It is an amenable number.

378436 is a deficient number, since it is larger than the sum of its proper divisors (301992).

378436 is a wasteful number, since it uses less digits than its factorization.

378436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2598 (or 2596 counting only the distinct ones).

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

The square root of 378436 is about 615.1715207972. The cubic root of 378436 is about 72.3320567683.

The spelling of 378436 in words is "three hundred seventy-eight thousand, four hundred thirty-six".