26684992 has 56 divisors (see below), whose sum is σ = 55595520. Its totient is φ = 12695040.

The previous prime is 26684989. The next prime is 26684993. The reversal of 26684992 is 29948662.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (26684993) 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 7 ways as a sum of consecutive naturals, for example, 139617 + ... + 139807.

Almost surely, 2^26684992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26684992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27797760).

26684992 is an abundant number, since it is smaller than the sum of its proper divisors (28910528).

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

26684992 is a wasteful number, since it uses less digits than its factorization.

26684992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299 (or 289 counting only the distinct ones).

The product of its digits is 373248, while the sum is 46.

The square root of 26684992 is about 5165.7518329862. The cubic root of 26684992 is about 298.8287367965.

It can be divided in two parts, 266 and 84992, that added together give a palindrome (85258).

The spelling of 26684992 in words is "twenty-six million, six hundred eighty-four thousand, nine hundred ninety-two".