26984871 has 6 divisors (see below), whose sum is σ = 38978160. Its totient is φ = 17989908.

The previous prime is 26984861. The next prime is 26984879. The reversal of 26984871 is 17848962.

It is not a de Polignac number, because 26984871 - 2¹⁸ = 26722727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26984879) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1499151 + ... + 1499168.

It is an arithmetic number, because the mean of its divisors is an integer number (6496360).

Almost surely, 2^26984871 is an apocalyptic number.

26984871 is a deficient number, since it is larger than the sum of its proper divisors (11993289).

26984871 is a wasteful number, since it uses less digits than its factorization.

26984871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998325 (or 2998322 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 26984871 is about 5194.6964300140. The cubic root of 26984871 is about 299.9439561976.

It can be divided in two parts, 2698 and 4871, that added together give a square (7569 = 87²).

The spelling of 26984871 in words is "twenty-six million, nine hundred eighty-four thousand, eight hundred seventy-one".