26998199 has 4 divisors (see below), whose sum is σ = 27094560. Its totient is φ = 26901840.

The previous prime is 26998187. The next prime is 26998201. The reversal of 26998199 is 99189962.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26998199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26998199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26998129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47759 + ... + 48320.

It is an arithmetic number, because the mean of its divisors is an integer number (6773640).

Almost surely, 2^26998199 is an apocalyptic number.

26998199 is a deficient number, since it is larger than the sum of its proper divisors (96361).

26998199 is an equidigital number, since it uses as much as digits as its factorization.

26998199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96360.

The product of its digits is 629856, while the sum is 53.

The square root of 26998199 is about 5195.9791185108. The cubic root of 26998199 is about 299.9933294813.

The spelling of 26998199 in words is "twenty-six million, nine hundred ninety-eight thousand, one hundred ninety-nine".