26840099 has 24 divisors (see below), whose sum is σ = 32264736. Its totient is φ = 22176000.

The previous prime is 26840087. The next prime is 26840119. The reversal of 26840099 is 99004862.

It is not a de Polignac number, because 26840099 - 2⁴ = 26840083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26840599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 177674 + ... + 177824.

It is an arithmetic number, because the mean of its divisors is an integer number (1344364).

Almost surely, 2^26840099 is an apocalyptic number.

26840099 is a deficient number, since it is larger than the sum of its proper divisors (5424637).

26840099 is a wasteful number, since it uses less digits than its factorization.

26840099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 26840099 is about 5180.7430934182. The cubic root of 26840099 is about 299.4066011071.

The spelling of 26840099 in words is "twenty-six million, eight hundred forty thousand, ninety-nine".