7398238 has 8 divisors (see below), whose sum is σ = 11124288. Its totient is φ = 3690144.

The previous prime is 7398229. The next prime is 7398241. The reversal of 7398238 is 8328937.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 7398238.

It is a congruent 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, 3406 + ... + 5137.

It is an arithmetic number, because the mean of its divisors is an integer number (1390536).

Almost surely, 2^7398238 is an apocalyptic number.

7398238 is a deficient number, since it is larger than the sum of its proper divisors (3726050).

7398238 is a wasteful number, since it uses less digits than its factorization.

7398238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8978.

The product of its digits is 72576, while the sum is 40.

The square root of 7398238 is about 2719.9702204252. The cubic root of 7398238 is about 194.8540481391.

The spelling of 7398238 in words is "seven million, three hundred ninety-eight thousand, two hundred thirty-eight".