8905198 has 4 divisors (see below), whose sum is σ = 13357800. Its totient is φ = 4452598.

The previous prime is 8905189. The next prime is 8905199. The reversal of 8905198 is 8915098.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8915098 = 2 ⋅4457549.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 8905198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8905199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2226298 + ... + 2226301.

It is an arithmetic number, because the mean of its divisors is an integer number (3339450).

Almost surely, 2^8905198 is an apocalyptic number.

8905198 is a deficient number, since it is larger than the sum of its proper divisors (4452602).

8905198 is a wasteful number, since it uses less digits than its factorization.

8905198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4452601.

The product of its (nonzero) digits is 25920, while the sum is 40.

The square root of 8905198 is about 2984.1578376487. The cubic root of 8905198 is about 207.2754468268.

The spelling of 8905198 in words is "eight million, nine hundred five thousand, one hundred ninety-eight".