7926198 has 16 divisors (see below), whose sum is σ = 18117120. Its totient is φ = 2264616.

The previous prime is 7926187. The next prime is 7926229. The reversal of 7926198 is 8916297.

It is a super-2 number, since 2×7926198² = 125649229470408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 188719 = 7926198 / (7 + 9 + 2 + 6 + 1 + 9 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94318 + ... + 94401.

It is an arithmetic number, because the mean of its divisors is an integer number (1132320).

Almost surely, 2^7926198 is an apocalyptic number.

7926198 is an abundant number, since it is smaller than the sum of its proper divisors (10190922).

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

7926198 is a wasteful number, since it uses less digits than its factorization.

7926198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188731.

The product of its digits is 54432, while the sum is 42.

The square root of 7926198 is about 2815.3504222388. The cubic root of 7926198 is about 199.3830823530.

Subtracting 7926198 from its reverse (8916297), we obtain a palindrome (990099).

The spelling of 7926198 in words is "seven million, nine hundred twenty-six thousand, one hundred ninety-eight".