26227638 has 40 divisors (see below), whose sum is σ = 61869720. Its totient is φ = 8281440.

The previous prime is 26227637. The next prime is 26227667. The reversal of 26227638 is 83672262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26227631) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1183 + ... + 7338.

It is an arithmetic number, because the mean of its divisors is an integer number (1546743).

Almost surely, 2^26227638 is an apocalyptic number.

26227638 is an abundant number, since it is smaller than the sum of its proper divisors (35642082).

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

26227638 is a wasteful number, since it uses less digits than its factorization.

26227638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8554 (or 8545 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 26227638 is about 5121.2926102694. The cubic root of 26227638 is about 297.1116812926. Note that the first 3 decimals are identical.

The spelling of 26227638 in words is "twenty-six million, two hundred twenty-seven thousand, six hundred thirty-eight".