26845992 has 80 divisors (see below), whose sum is σ = 79649460. Its totient is φ = 8418816.

The previous prime is 26845981. The next prime is 26846033. The reversal of 26845992 is 29954862.

It can be written as a sum of positive squares in 2 ways, for example, as 22410756 + 4435236 = 4734^2 + 2106^2 .

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 9798 + ... + 12234.

Almost surely, 2^26845992 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 26845992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39824730).

26845992 is an abundant number, since it is smaller than the sum of its proper divisors (52803468).

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

26845992 is a wasteful number, since it uses less digits than its factorization.

26845992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472 (or 2459 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 26845992 is about 5181.3118030090. The cubic root of 26845992 is about 299.4285120296.

The spelling of 26845992 in words is "twenty-six million, eight hundred forty-five thousand, nine hundred ninety-two".