7398538 has 16 divisors (see below), whose sum is σ = 13121280. Its totient is φ = 3061296.

The previous prime is 7398529. The next prime is 7398539. The reversal of 7398538 is 8358937.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7398494 and 7398503.

It is not an unprimeable number, because it can be changed into a prime (7398539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8706 + ... + 9517.

It is an arithmetic number, because the mean of its divisors is an integer number (820080).

Almost surely, 2^7398538 is an apocalyptic number.

7398538 is a deficient number, since it is larger than the sum of its proper divisors (5722742).

7398538 is a wasteful number, since it uses less digits than its factorization.

7398538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18261.

The product of its digits is 181440, while the sum is 43.

The square root of 7398538 is about 2720.0253675288. The cubic root of 7398538 is about 194.8566818935.

The spelling of 7398538 in words is "seven million, three hundred ninety-eight thousand, five hundred thirty-eight".