26888049 has 6 divisors (see below), whose sum is σ = 38838306. Its totient is φ = 17925360.

The previous prime is 26888041. The next prime is 26888051. The reversal of 26888049 is 94088862.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 14861025 + 12027024 = 3855^2 + 3468^2 .

It is not a de Polignac number, because 26888049 - 2³ = 26888041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26887995 and 26888013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26888041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1493772 + ... + 1493789.

It is an arithmetic number, because the mean of its divisors is an integer number (6473051).

Almost surely, 2^26888049 is an apocalyptic number.

It is an amenable number.

26888049 is a deficient number, since it is larger than the sum of its proper divisors (11950257).

26888049 is a wasteful number, since it uses less digits than its factorization.

26888049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987567 (or 2987564 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 26888049 is about 5185.3687429150. The cubic root of 26888049 is about 299.5847922736.

The spelling of 26888049 in words is "twenty-six million, eight hundred eighty-eight thousand, forty-nine".