26989853 has 12 divisors (see below), whose sum is σ = 30166848. Its totient is φ = 23947560.

The previous prime is 26989843. The next prime is 26989943. The reversal of 26989853 is 35898962.

It is not a de Polignac number, because 26989853 - 2⁶ = 26989789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26989813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19676 + ... + 21002.

It is an arithmetic number, because the mean of its divisors is an integer number (2513904).

Almost surely, 2^26989853 is an apocalyptic number.

It is an amenable number.

26989853 is a deficient number, since it is larger than the sum of its proper divisors (3176995).

26989853 is a wasteful number, since it uses less digits than its factorization.

26989853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424 (or 1381 counting only the distinct ones).

The product of its digits is 933120, while the sum is 50.

The square root of 26989853 is about 5195.1759354232. The cubic root of 26989853 is about 299.9624138096.

The spelling of 26989853 in words is "twenty-six million, nine hundred eighty-nine thousand, eight hundred fifty-three".