7238398 has 4 divisors (see below), whose sum is σ = 10857600. Its totient is φ = 3619198.

The previous prime is 7238389. The next prime is 7238401. The reversal of 7238398 is 8938327.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8938327 = 109 ⋅82003.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 7238398.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1809598 + ... + 1809601.

It is an arithmetic number, because the mean of its divisors is an integer number (2714400).

Almost surely, 2^7238398 is an apocalyptic number.

7238398 is a deficient number, since it is larger than the sum of its proper divisors (3619202).

7238398 is a wasteful number, since it uses less digits than its factorization.

7238398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3619201.

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

The square root of 7238398 is about 2690.4271036399. The cubic root of 7238398 is about 193.4405357367.

The spelling of 7238398 in words is "seven million, two hundred thirty-eight thousand, three hundred ninety-eight".