26953864 has 32 divisors (see below), whose sum is σ = 58331520. Its totient is φ = 11437056.

The previous prime is 26953853. The next prime is 26953867. The reversal of 26953864 is 46835962.

It is a self number, because there is not a number n which added to its sum of digits gives 26953864.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26953867) 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, 3432 + ... + 8104.

It is an arithmetic number, because the mean of its divisors is an integer number (1822860).

Almost surely, 2^26953864 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 26953864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29165760).

26953864 is an abundant number, since it is smaller than the sum of its proper divisors (31377656).

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

26953864 is a wasteful number, since it uses less digits than its factorization.

26953864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4789 (or 4785 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

The square root of 26953864 is about 5191.7110859523. The cubic root of 26953864 is about 299.8290285069.

The spelling of 26953864 in words is "twenty-six million, nine hundred fifty-three thousand, eight hundred sixty-four".