26232889 has 4 divisors (see below), whose sum is σ = 26941924. Its totient is φ = 25523856.

The previous prime is 26232883. The next prime is 26232893. The reversal of 26232889 is 98823262.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10890000 + 15342889 = 3300^2 + 3917^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26232889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26232883) 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, 354462 + ... + 354535.

It is an arithmetic number, because the mean of its divisors is an integer number (6735481).

Almost surely, 2^26232889 is an apocalyptic number.

It is an amenable number.

26232889 is a deficient number, since it is larger than the sum of its proper divisors (709035).

26232889 is an equidigital number, since it uses as much as digits as its factorization.

26232889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709034.

The product of its digits is 82944, while the sum is 40.

The square root of 26232889 is about 5121.8052481523. The cubic root of 26232889 is about 297.1315080791.

The spelling of 26232889 in words is "twenty-six million, two hundred thirty-two thousand, eight hundred eighty-nine".