26986798 has 4 divisors (see below), whose sum is σ = 40480200. Its totient is φ = 13493398.

The previous prime is 26986787. The next prime is 26986807. The reversal of 26986798 is 89768962.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6746698 + ... + 6746701.

It is an arithmetic number, because the mean of its divisors is an integer number (10120050).

Almost surely, 2^26986798 is an apocalyptic number.

26986798 is a deficient number, since it is larger than the sum of its proper divisors (13493402).

26986798 is a wasteful number, since it uses less digits than its factorization.

26986798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13493401.

The product of its digits is 2612736, while the sum is 55.

The square root of 26986798 is about 5194.8819043362. The cubic root of 26986798 is about 299.9510957320.

The spelling of 26986798 in words is "twenty-six million, nine hundred eighty-six thousand, seven hundred ninety-eight".