26989833 has 16 divisors (see below), whose sum is σ = 40440960. Its totient is φ = 15886464.

The previous prime is 26989813. The next prime is 26989841. The reversal of 26989833 is 33898962.

It is not a de Polignac number, because 26989833 - 2⁵ = 26989801 is a prime.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14148 + ... + 15941.

It is an arithmetic number, because the mean of its divisors is an integer number (2527560).

Almost surely, 2^26989833 is an apocalyptic number.

26989833 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

26989833 is a deficient number, since it is larger than the sum of its proper divisors (13451127).

26989833 is a wasteful number, since it uses less digits than its factorization.

26989833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30128.

The product of its digits is 559872, while the sum is 48.

The square root of 26989833 is about 5195.1740105602. The cubic root of 26989833 is about 299.9623397170.

The spelling of 26989833 in words is "twenty-six million, nine hundred eighty-nine thousand, eight hundred thirty-three".