26894656 has 42 divisors (see below), whose sum is σ = 54905402. Its totient is φ = 13067520.

The previous prime is 26894653. The next prime is 26894677. The reversal of 26894656 is 65649862.

It can be written as a sum of positive squares in only one way, i.e., 15872256 + 11022400 = 3984^2 + 3320^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26894653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 323991 + ... + 324073.

Almost surely, 2^26894656 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 26894656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27452701).

26894656 is an abundant number, since it is smaller than the sum of its proper divisors (28010746).

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

26894656 is an frugal number, since it uses more digits than its factorization.

26894656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 146 counting only the distinct ones).

The product of its digits is 622080, while the sum is 46.

The square root of 26894656 is about 5186.0057848020. The cubic root of 26894656 is about 299.6093285105.

The spelling of 26894656 in words is "twenty-six million, eight hundred ninety-four thousand, six hundred fifty-six".