7198398 has 12 divisors (see below), whose sum is σ = 15596568. Its totient is φ = 2399460.

The previous prime is 7198369. The next prime is 7198403. The reversal of 7198398 is 8938917.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 199938 + ... + 199973.

It is an arithmetic number, because the mean of its divisors is an integer number (1299714).

Almost surely, 2^7198398 is an apocalyptic number.

7198398 is an abundant number, since it is smaller than the sum of its proper divisors (8398170).

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

7198398 is a wasteful number, since it uses less digits than its factorization.

7198398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399919 (or 399916 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 7198398 is about 2682.9830413180. The cubic root of 7198398 is about 193.0835544330.

The spelling of 7198398 in words is "seven million, one hundred ninety-eight thousand, three hundred ninety-eight".