1378194 has 8 divisors (see below), whose sum is σ = 2756400. Its totient is φ = 459396.

The previous prime is 1378189. The next prime is 1378199. The reversal of 1378194 is 4918731.

It is an interprime number because it is at equal distance from previous prime (1378189) and next prime (1378199).

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

1378194 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1378199) 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, 114844 + ... + 114855.

It is an arithmetic number, because the mean of its divisors is an integer number (344550).

2^1378194 is an apocalyptic number.

1378194 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1378194 is a wasteful number, since it uses less digits than its factorization.

1378194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229704.

The product of its digits is 6048, while the sum is 33.

The square root of 1378194 is about 1173.9650761415. The cubic root of 1378194 is about 111.2850396717.

The spelling of 1378194 in words is "one million, three hundred seventy-eight thousand, one hundred ninety-four".