26988432 has 20 divisors (see below), whose sum is σ = 69720240. Its totient is φ = 8996128.

The previous prime is 26988419. The next prime is 26988439. The reversal of 26988432 is 23488962.

It is not an unprimeable number, because it can be changed into a prime (26988439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281082 + ... + 281177.

It is an arithmetic number, because the mean of its divisors is an integer number (3486012).

Almost surely, 2^26988432 is an apocalyptic number.

It is an amenable number.

26988432 is an abundant number, since it is smaller than the sum of its proper divisors (42731808).

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

26988432 is a wasteful number, since it uses less digits than its factorization.

26988432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562270 (or 562264 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 26988432 is about 5195.0391721334. The cubic root of 26988432 is about 299.9571494353.

The spelling of 26988432 in words is "twenty-six million, nine hundred eighty-eight thousand, four hundred thirty-two".