26621896 has 48 divisors (see below), whose sum is σ = 58676940. Its totient is φ = 11289600.

The previous prime is 26621893. The next prime is 26621897. The reversal of 26621896 is 69812662.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26112100 + 509796 = 5110^2 + 714^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26621891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43996 + ... + 44596.

Almost surely, 2^26621896 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 26621896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29338470).

26621896 is an abundant number, since it is smaller than the sum of its proper divisors (32055044).

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

26621896 is a wasteful number, since it uses less digits than its factorization.

26621896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734 (or 723 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 26621896 is about 5159.6410727879. The cubic root of 26621896 is about 298.5930265494.

The spelling of 26621896 in words is "twenty-six million, six hundred twenty-one thousand, eight hundred ninety-six".