1438198 has 8 divisors (see below), whose sum is σ = 2210040. Its totient is φ = 701520.

The previous prime is 1438181. The next prime is 1438207. The reversal of 1438198 is 8918341.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8688 + ... + 8851.

It is an arithmetic number, because the mean of its divisors is an integer number (276255).

2^1438198 is an apocalyptic number.

1438198 is a deficient number, since it is larger than the sum of its proper divisors (771842).

1438198 is a wasteful number, since it uses less digits than its factorization.

1438198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17582.

The product of its digits is 6912, while the sum is 34.

The square root of 1438198 is about 1199.2489316235. The cubic root of 1438198 is about 112.8771997223.

The spelling of 1438198 in words is "one million, four hundred thirty-eight thousand, one hundred ninety-eight".