378838 has 8 divisors (see below), whose sum is σ = 571032. Its totient is φ = 188496.

The previous prime is 378823. The next prime is 378869. The reversal of 378838 is 838873.

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

It is a junction number, because it is equal to n+sod(n) for n = 378797 and 378806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306 + ... + 922.

It is an arithmetic number, because the mean of its divisors is an integer number (71379).

2³⁷⁸⁸³⁸ is an apocalyptic number.

378838 is a deficient number, since it is larger than the sum of its proper divisors (192194).

378838 is a wasteful number, since it uses less digits than its factorization.

378838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926.

The product of its digits is 32256, while the sum is 37.

The square root of 378838 is about 615.4981722150. The cubic root of 378838 is about 72.3576596856.

The spelling of 378838 in words is "three hundred seventy-eight thousand, eight hundred thirty-eight".