26971538 has 16 divisors (see below), whose sum is σ = 44229024. Its totient is φ = 12233760.

The previous prime is 26971531. The next prime is 26971543. The reversal of 26971538 is 83517962.

It is a junction number, because it is equal to n+sod(n) for n = 26971495 and 26971504.

It is not an unprimeable number, because it can be changed into a prime (26971531) 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 7 ways as a sum of consecutive naturals, for example, 12581 + ... + 14567.

It is an arithmetic number, because the mean of its divisors is an integer number (2764314).

Almost surely, 2^26971538 is an apocalyptic number.

26971538 is a deficient number, since it is larger than the sum of its proper divisors (17257486).

26971538 is a wasteful number, since it uses less digits than its factorization.

26971538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2617.

The product of its digits is 90720, while the sum is 41.

The square root of 26971538 is about 5193.4129433350. The cubic root of 26971538 is about 299.8945481225.

The spelling of 26971538 in words is "twenty-six million, nine hundred seventy-one thousand, five hundred thirty-eight".