26286816 has 24 divisors (see below), whose sum is σ = 69003144. Its totient is φ = 8762240.

The previous prime is 26286809. The next prime is 26286833. The reversal of 26286816 is 61868262.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136815 + ... + 137006.

It is an arithmetic number, because the mean of its divisors is an integer number (2875131).

Almost surely, 2^26286816 is an apocalyptic number.

It is an amenable number.

26286816 is an abundant number, since it is smaller than the sum of its proper divisors (42716328).

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

26286816 is a wasteful number, since it uses less digits than its factorization.

26286816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273834 (or 273826 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 26286816 is about 5127.0669978068. The cubic root of 26286816 is about 297.3349733242.

It can be divided in two parts, 262 and 86816, that added together give a palindrome (87078).

The spelling of 26286816 in words is "twenty-six million, two hundred eighty-six thousand, eight hundred sixteen".