1438194 has 8 divisors (see below), whose sum is σ = 2876400. Its totient is φ = 479396.

The previous prime is 1438181. The next prime is 1438207. The reversal of 1438194 is 4918341.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1438181) and next prime (1438207).

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

1438194 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119844 + ... + 119855.

It is an arithmetic number, because the mean of its divisors is an integer number (359550).

2^1438194 is an apocalyptic number.

1438194 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.

1438194 is a wasteful number, since it uses less digits than its factorization.

1438194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239704.

The product of its digits is 3456, while the sum is 30.

The square root of 1438194 is about 1199.2472639118. The cubic root of 1438194 is about 112.8770950753.

The spelling of 1438194 in words is "one million, four hundred thirty-eight thousand, one hundred ninety-four".