378307 has 4 divisors (see below), whose sum is σ = 387576. Its totient is φ = 369040.

The previous prime is 378289. The next prime is 378317. The reversal of 378307 is 703873.

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 378307 - 2⁷ = 378179 is a prime.

It is a Duffinian number.

378307 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (378317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4573 + ... + 4654.

It is an arithmetic number, because the mean of its divisors is an integer number (96894).

2³⁷⁸³⁰⁷ is an apocalyptic number.

378307 is a deficient number, since it is larger than the sum of its proper divisors (9269).

378307 is an equidigital number, since it uses as much as digits as its factorization.

378307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9268.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 378307 is about 615.0666630537. The cubic root of 378307 is about 72.3238370642.

The spelling of 378307 in words is "three hundred seventy-eight thousand, three hundred seven".