378824 has 8 divisors (see below), whose sum is σ = 710310. Its totient is φ = 189408.

The previous prime is 378823. The next prime is 378869. The reversal of 378824 is 428873.

It can be written as a sum of positive squares in only one way, i.e., 372100 + 6724 = 610^2 + 82^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (378821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23669 + ... + 23684.

2³⁷⁸⁸²⁴ is an apocalyptic number.

It is an amenable number.

378824 is a deficient number, since it is larger than the sum of its proper divisors (331486).

378824 is a wasteful number, since it uses less digits than its factorization.

378824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47359 (or 47355 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 378824 is about 615.4867992086. The cubic root of 378824 is about 72.3567683462.

The spelling of 378824 in words is "three hundred seventy-eight thousand, eight hundred twenty-four".