26889238 has 4 divisors (see below), whose sum is σ = 40333860. Its totient is φ = 13444618.

The previous prime is 26889229. The next prime is 26889241. The reversal of 26889238 is 83298862.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×26889238² = 1446062240441288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6722308 + ... + 6722311.

It is an arithmetic number, because the mean of its divisors is an integer number (10083465).

Almost surely, 2^26889238 is an apocalyptic number.

26889238 is a deficient number, since it is larger than the sum of its proper divisors (13444622).

26889238 is a wasteful number, since it uses less digits than its factorization.

26889238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13444621.

The product of its digits is 331776, while the sum is 46.

The square root of 26889238 is about 5185.4833911604. The cubic root of 26889238 is about 299.5892081272.

The spelling of 26889238 in words is "twenty-six million, eight hundred eighty-nine thousand, two hundred thirty-eight".