378747 has 6 divisors (see below), whose sum is σ = 547092. Its totient is φ = 252492.

The previous prime is 378739. The next prime is 378757. The reversal of 378747 is 747873.

It is a happy number.

It is not a de Polignac number, because 378747 - 2³ = 378739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (378757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21033 + ... + 21050.

It is an arithmetic number, because the mean of its divisors is an integer number (91182).

2³⁷⁸⁷⁴⁷ is an apocalyptic number.

378747 is a deficient number, since it is larger than the sum of its proper divisors (168345).

378747 is a wasteful number, since it uses less digits than its factorization.

378747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42089 (or 42086 counting only the distinct ones).

The product of its digits is 32928, while the sum is 36.

The square root of 378747 is about 615.4242439163. The cubic root of 378747 is about 72.3518655869.

The spelling of 378747 in words is "three hundred seventy-eight thousand, seven hundred forty-seven".