26791992 has 64 divisors (see below), whose sum is σ = 75513600. Its totient is φ = 8799840.

The previous prime is 26791951. The next prime is 26791997. The reversal of 26791992 is 29919762.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26791997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14463 + ... + 16209.

It is an arithmetic number, because the mean of its divisors is an integer number (1179900).

Almost surely, 2^26791992 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 26791992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37756800).

26791992 is an abundant number, since it is smaller than the sum of its proper divisors (48721608).

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

26791992 is a wasteful number, since it uses less digits than its factorization.

26791992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833 (or 1823 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The square root of 26791992 is about 5176.0981443555. The cubic root of 26791992 is about 299.2276131016.

The spelling of 26791992 in words is "twenty-six million, seven hundred ninety-one thousand, nine hundred ninety-two".