26988936 has 64 divisors (see below), whose sum is σ = 75841920. Its totient is φ = 7941120.

The previous prime is 26988919. The next prime is 26988967. The reversal of 26988936 is 63988962.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5296 + ... + 9056.

It is an arithmetic number, because the mean of its divisors is an integer number (1185030).

Almost surely, 2^26988936 is an apocalyptic number.

26988936 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26988936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37920960).

26988936 is an abundant number, since it is smaller than the sum of its proper divisors (48852984).

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

26988936 is a wasteful number, since it uses less digits than its factorization.

26988936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3806 (or 3802 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 51.

The square root of 26988936 is about 5195.0876797221. The cubic root of 26988936 is about 299.9590166237.

The spelling of 26988936 in words is "twenty-six million, nine hundred eighty-eight thousand, nine hundred thirty-six".