26009982 has 12 divisors (see below), whose sum is σ = 56355000. Its totient is φ = 8669988.

The previous prime is 26009947. The next prime is 26009989. The reversal of 26009982 is 28990062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26009989) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 722482 + ... + 722517.

It is an arithmetic number, because the mean of its divisors is an integer number (4696250).

Almost surely, 2^26009982 is an apocalyptic number.

26009982 is an abundant number, since it is smaller than the sum of its proper divisors (30345018).

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

26009982 is a wasteful number, since it uses less digits than its factorization.

26009982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445007 (or 1445004 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 26009982 is about 5099.9982352938. The cubic root of 26009982 is about 296.2875143435.

The spelling of 26009982 in words is "twenty-six million, nine thousand, nine hundred eighty-two".