378835 has 4 divisors (see below), whose sum is σ = 454608. Its totient is φ = 303064.

The previous prime is 378823. The next prime is 378869. The reversal of 378835 is 538873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 538873 = 31 ⋅17383.

It is a cyclic number.

It is not a de Polignac number, because 378835 - 2¹¹ = 376787 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 378835.

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, 37879 + ... + 37888.

It is an arithmetic number, because the mean of its divisors is an integer number (113652).

2³⁷⁸⁸³⁵ is an apocalyptic number.

378835 is a deficient number, since it is larger than the sum of its proper divisors (75773).

378835 is an equidigital number, since it uses as much as digits as its factorization.

378835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75772.

The product of its digits is 20160, while the sum is 34.

The square root of 378835 is about 615.4957351599. The cubic root of 378835 is about 72.3574686862.

The spelling of 378835 in words is "three hundred seventy-eight thousand, eight hundred thirty-five".