26988424 has 8 divisors (see below), whose sum is σ = 50603310. Its totient is φ = 13494208.

The previous prime is 26988419. The next prime is 26988439. The reversal of 26988424 is 42488962.

It can be written as a sum of positive squares in only one way, i.e., 22867524 + 4120900 = 4782^2 + 2030^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1686769 + ... + 1686784.

Almost surely, 2^26988424 is an apocalyptic number.

It is an amenable number.

26988424 is a deficient number, since it is larger than the sum of its proper divisors (23614886).

26988424 is a wasteful number, since it uses less digits than its factorization.

26988424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3373559 (or 3373555 counting only the distinct ones).

The product of its digits is 221184, while the sum is 43.

The square root of 26988424 is about 5195.0384021680. The cubic root of 26988424 is about 299.9571197972.

The spelling of 26988424 in words is "twenty-six million, nine hundred eighty-eight thousand, four hundred twenty-four".