26622928 has 40 divisors (see below), whose sum is σ = 53824680. Its totient is φ = 12741120.

The previous prime is 26622889. The next prime is 26622931. The reversal of 26622928 is 82922662.

It can be written as a sum of positive squares in 4 ways, for example, as 1140624 + 25482304 = 1068^2 + 5048^2 .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 83826 + ... + 84142.

It is an arithmetic number, because the mean of its divisors is an integer number (1345617).

Almost surely, 2^26622928 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 26622928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26912340).

26622928 is an abundant number, since it is smaller than the sum of its proper divisors (27201752).

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

26622928 is a wasteful number, since it uses less digits than its factorization.

26622928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535 (or 529 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 26622928 is about 5159.7410787752. The cubic root of 26622928 is about 298.5968848274.

The spelling of 26622928 in words is "twenty-six million, six hundred twenty-two thousand, nine hundred twenty-eight".