26889944 has 16 divisors (see below), whose sum is σ = 52611120. Its totient is φ = 12860320.

The previous prime is 26889911. The next prime is 26889953. The reversal of 26889944 is 44998862.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 26889892 and 26889901.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 72887 + ... + 73254.

It is an arithmetic number, because the mean of its divisors is an integer number (3288195).

Almost surely, 2^26889944 is an apocalyptic number.

It is an amenable number.

26889944 is a deficient number, since it is larger than the sum of its proper divisors (25721176).

26889944 is a wasteful number, since it uses less digits than its factorization.

26889944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146170 (or 146166 counting only the distinct ones).

The product of its digits is 995328, while the sum is 50.

The square root of 26889944 is about 5185.5514653699. The cubic root of 26889944 is about 299.5918300948.

The spelling of 26889944 in words is "twenty-six million, eight hundred eighty-nine thousand, nine hundred forty-four".