7938198 has 12 divisors (see below), whose sum is σ = 17199468. Its totient is φ = 2646060.

The previous prime is 7938193. The next prime is 7938211. The reversal of 7938198 is 8918397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7938193) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 220488 + ... + 220523.

It is an arithmetic number, because the mean of its divisors is an integer number (1433289).

Almost surely, 2^7938198 is an apocalyptic number.

7938198 is an abundant number, since it is smaller than the sum of its proper divisors (9261270).

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

7938198 is a wasteful number, since it uses less digits than its factorization.

7938198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441019 (or 441016 counting only the distinct ones).

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

The square root of 7938198 is about 2817.4807896417. The cubic root of 7938198 is about 199.4836514012.

The spelling of 7938198 in words is "seven million, nine hundred thirty-eight thousand, one hundred ninety-eight".