378735 has 16 divisors (see below), whose sum is σ = 692736. Its totient is φ = 173088.

The previous prime is 378733. The next prime is 378739. The reversal of 378735 is 537873.

It is not a de Polignac number, because 378735 - 2¹ = 378733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 378696 and 378705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378733) 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 15 ways as a sum of consecutive naturals, for example, 1699 + ... + 1908.

It is an arithmetic number, because the mean of its divisors is an integer number (43296).

2³⁷⁸⁷³⁵ is an apocalyptic number.

378735 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

378735 is a deficient number, since it is larger than the sum of its proper divisors (314001).

378735 is a wasteful number, since it uses less digits than its factorization.

378735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3622.

The product of its digits is 17640, while the sum is 33.

The square root of 378735 is about 615.4144944669. The cubic root of 378735 is about 72.3511014607.

The spelling of 378735 in words is "three hundred seventy-eight thousand, seven hundred thirty-five".