26890872 has 48 divisors (see below), whose sum is σ = 71432760. Its totient is φ = 8434176.

The previous prime is 26890849. The next prime is 26890879. The reversal of 26890872 is 27809862.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26890879) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4998 + ... + 8874.

Almost surely, 2^26890872 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 26890872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35716380).

26890872 is an abundant number, since it is smaller than the sum of its proper divisors (44541888).

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

26890872 is a wasteful number, since it uses less digits than its factorization.

26890872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3920 (or 3899 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 26890872 is about 5185.6409439914. The cubic root of 26890872 is about 299.5952764640.

The spelling of 26890872 in words is "twenty-six million, eight hundred ninety thousand, eight hundred seventy-two".