378743 has 4 divisors (see below), whose sum is σ = 401040. Its totient is φ = 356448.

The previous prime is 378739. The next prime is 378757. The reversal of 378743 is 347873.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 378743 - 2² = 378739 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378713) 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 3 ways as a sum of consecutive naturals, for example, 11123 + ... + 11156.

It is an arithmetic number, because the mean of its divisors is an integer number (100260).

2³⁷⁸⁷⁴³ is an apocalyptic number.

378743 is a deficient number, since it is larger than the sum of its proper divisors (22297).

378743 is a wasteful number, since it uses less digits than its factorization.

378743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22296.

The product of its digits is 14112, while the sum is 32.

The square root of 378743 is about 615.4209941170. The cubic root of 378743 is about 72.3516108799.

The spelling of 378743 in words is "three hundred seventy-eight thousand, seven hundred forty-three".