378397 has 8 divisors (see below), whose sum is σ = 395136. Its totient is φ = 362112.

The previous prime is 378379. The next prime is 378401. The reversal of 378397 is 793873.

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

It is a cyclic number.

It is not a de Polignac number, because 378397 - 2⁷ = 378269 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 (378317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3853 + ... + 3949.

It is an arithmetic number, because the mean of its divisors is an integer number (49392).

2³⁷⁸³⁹⁷ is an apocalyptic number.

It is an amenable number.

378397 is a deficient number, since it is larger than the sum of its proper divisors (16739).

378397 is an equidigital number, since it uses as much as digits as its factorization.

378397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227.

The product of its digits is 31752, while the sum is 37.

The square root of 378397 is about 615.1398215040. The cubic root of 378397 is about 72.3295719385.

It can be divided in two parts, 3 and 78397, that added together give a square (78400 = 280²).

The spelling of 378397 in words is "three hundred seventy-eight thousand, three hundred ninety-seven".