1378395 has 12 divisors (see below), whose sum is σ = 2389296. Its totient is φ = 735120.

The previous prime is 1378387. The next prime is 1378397. The reversal of 1378395 is 5938731.

It is not a de Polignac number, because 1378395 - 2³ = 1378387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1378397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15271 + ... + 15360.

It is an arithmetic number, because the mean of its divisors is an integer number (199108).

2^1378395 is an apocalyptic number.

1378395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1378395 is a deficient number, since it is larger than the sum of its proper divisors (1010901).

1378395 is a wasteful number, since it uses less digits than its factorization.

1378395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30642 (or 30639 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 1378395 is about 1174.0506803371. The cubic root of 1378395 is about 111.2904494582.

The spelling of 1378395 in words is "one million, three hundred seventy-eight thousand, three hundred ninety-five".