26812198 has 32 divisors (see below), whose sum is σ = 47628288. Its totient is φ = 11080800.

The previous prime is 26812193. The next prime is 26812199. The reversal of 26812198 is 89121862.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26812193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98803 + ... + 99073.

It is an arithmetic number, because the mean of its divisors is an integer number (1488384).

Almost surely, 2^26812198 is an apocalyptic number.

26812198 is a deficient number, since it is larger than the sum of its proper divisors (20816090).

26812198 is a wasteful number, since it uses less digits than its factorization.

26812198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508.

The product of its digits is 13824, while the sum is 37.

The square root of 26812198 is about 5178.0496328251. The cubic root of 26812198 is about 299.3028180834.

The spelling of 26812198 in words is "twenty-six million, eight hundred twelve thousand, one hundred ninety-eight".