26205798 has 16 divisors (see below), whose sum is σ = 52902720. Its totient is φ = 8653416.

The previous prime is 26205749. The next prime is 26205799. The reversal of 26205798 is 89750262.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26205799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19768 + ... + 21051.

It is an arithmetic number, because the mean of its divisors is an integer number (3306420).

Almost surely, 2^26205798 is an apocalyptic number.

26205798 is an abundant number, since it is smaller than the sum of its proper divisors (26696922).

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

26205798 is a wasteful number, since it uses less digits than its factorization.

26205798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40931.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 26205798 is about 5119.1598920135. The cubic root of 26205798 is about 297.0291891638.

The spelling of 26205798 in words is "twenty-six million, two hundred five thousand, seven hundred ninety-eight".