26894688 has 48 divisors (see below), whose sum is σ = 72331056. Its totient is φ = 8744960.

The previous prime is 26894683. The next prime is 26894689. The reversal of 26894688 is 88649862.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 26894688.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26894683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520 + ... + 7352.

It is an arithmetic number, because the mean of its divisors is an integer number (1506897).

Almost surely, 2^26894688 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 26894688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36165528).

26894688 is an abundant number, since it is smaller than the sum of its proper divisors (45436368).

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

26894688 is a wasteful number, since it uses less digits than its factorization.

26894688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6887 (or 6879 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 51.

The square root of 26894688 is about 5186.0088700271. The cubic root of 26894688 is about 299.6094473383.

The spelling of 26894688 in words is "twenty-six million, eight hundred ninety-four thousand, six hundred eighty-eight".