26859856 has 20 divisors (see below), whose sum is σ = 52174612. Its totient is φ = 13395456.

The previous prime is 26859853. The next prime is 26859869. The reversal of 26859856 is 65895862.

It can be written as a sum of positive squares in 2 ways, for example, as 4769856 + 22090000 = 2184^2 + 4700^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26859851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4990 + ... + 8866.

Almost surely, 2^26859856 is an apocalyptic number.

It is an amenable number.

26859856 is a deficient number, since it is larger than the sum of its proper divisors (25314756).

26859856 is a wasteful number, since it uses less digits than its factorization.

26859856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4318 (or 4312 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 49.

The square root of 26859856 is about 5182.6495154506. The cubic root of 26859856 is about 299.4800475001.

The spelling of 26859856 in words is "twenty-six million, eight hundred fifty-nine thousand, eight hundred fifty-six".