378745 has 8 divisors (see below), whose sum is σ = 457920. Its totient is φ = 300720.

The previous prime is 378739. The next prime is 378757. The reversal of 378745 is 547873.

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

It is not a de Polignac number, because 378745 - 2⁵ = 378713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 378745.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 378745.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 876 + ... + 1234.

It is an arithmetic number, because the mean of its divisors is an integer number (57240).

2³⁷⁸⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

378745 is a deficient number, since it is larger than the sum of its proper divisors (79175).

378745 is a wasteful number, since it uses less digits than its factorization.

378745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575.

The product of its digits is 23520, while the sum is 34.

The square root of 378745 is about 615.4226190188. The cubic root of 378745 is about 72.3517382336.

The spelling of 378745 in words is "three hundred seventy-eight thousand, seven hundred forty-five".