378879 has 24 divisors (see below), whose sum is σ = 589440. Its totient is φ = 215424.

The previous prime is 378869. The next prime is 378883. The reversal of 378879 is 978873.

It is not a de Polignac number, because 378879 - 2¹² = 374783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 378879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16462 + ... + 16484.

It is an arithmetic number, because the mean of its divisors is an integer number (24560).

2³⁷⁸⁸⁷⁹ is an apocalyptic number.

378879 is a deficient number, since it is larger than the sum of its proper divisors (210561).

378879 is a wasteful number, since it uses less digits than its factorization.

378879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79 (or 62 counting only the distinct ones).

The product of its digits is 84672, while the sum is 42.

The square root of 378879 is about 615.5314776679. The cubic root of 378879 is about 72.3602699104.

The spelling of 378879 in words is "three hundred seventy-eight thousand, eight hundred seventy-nine".