378197 has 4 divisors (see below), whose sum is σ = 381216. Its totient is φ = 375180.

The previous prime is 378193. The next prime is 378223. The reversal of 378197 is 791873.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 378197 - 2² = 378193 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 378197.

It is not an unprimeable number, because it can be changed into a prime (378193) 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, 1313 + ... + 1574.

It is an arithmetic number, because the mean of its divisors is an integer number (95304).

2³⁷⁸¹⁹⁷ is an apocalyptic number.

It is an amenable number.

378197 is a deficient number, since it is larger than the sum of its proper divisors (3019).

378197 is a wasteful number, since it uses less digits than its factorization.

378197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3018.

The product of its digits is 10584, while the sum is 35.

The square root of 378197 is about 614.9772353510. The cubic root of 378197 is about 72.3168265382.

It can be divided in two parts, 378 and 197, that added together give a palindrome (575).

The spelling of 378197 in words is "three hundred seventy-eight thousand, one hundred ninety-seven".