7398 has 16 divisors (see below), whose sum is σ = 16560. Its totient is φ = 2448.

The previous prime is 7393. The next prime is 7411. The reversal of 7398 is 8937.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7393) 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, 15 + ... + 122.

It is an arithmetic number, because the mean of its divisors is an integer number (1035).

7398 is an abundant number, since it is smaller than the sum of its proper divisors (9162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8280).

7398 is a wasteful number, since it uses less digits than its factorization.

7398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 142 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 7398 is about 86.0116271210. The cubic root of 7398 is about 19.4851958643.

Subtracting from 7398 its product of digits (1512), we obtain a triangular number (5886 = T₁₀₈).

It can be divided in two parts, 739 and 8, that added together give a palindrome (747).

The spelling of 7398 in words is "seven thousand, three hundred ninety-eight".