1398194 has 8 divisors (see below), whose sum is σ = 2396928. Its totient is φ = 599220.

The previous prime is 1398161. The next prime is 1398197. The reversal of 1398194 is 4918931.

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

It is not an unprimeable number, because it can be changed into a prime (1398197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49922 + ... + 49949.

It is an arithmetic number, because the mean of its divisors is an integer number (299616).

2^1398194 is an apocalyptic number.

1398194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1398194 is a deficient number, since it is larger than the sum of its proper divisors (998734).

1398194 is an equidigital number, since it uses as much as digits as its factorization.

1398194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99880.

The product of its digits is 7776, while the sum is 35.

The square root of 1398194 is about 1182.4525360453. The cubic root of 1398194 is about 111.8207698842.

The spelling of 1398194 in words is "one million, three hundred ninety-eight thousand, one hundred ninety-four".