26326969 has 4 divisors (see below), whose sum is σ = 26367460. Its totient is φ = 26286480.

The previous prime is 26326957. The next prime is 26326991. The reversal of 26326969 is 96962362.

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 23040000 + 3286969 = 4800^2 + 1813^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26326969 is a prime.

It is a super-2 number, since 2×26326969² = 1386218593453922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26326919) 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, 19254 + ... + 20575.

It is an arithmetic number, because the mean of its divisors is an integer number (6591865).

Almost surely, 2^26326969 is an apocalyptic number.

It is an amenable number.

26326969 is a deficient number, since it is larger than the sum of its proper divisors (40491).

26326969 is an equidigital number, since it uses as much as digits as its factorization.

26326969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40490.

The product of its digits is 209952, while the sum is 43.

The square root of 26326969 is about 5130.9812901627. The cubic root of 26326969 is about 297.4862889428.

The spelling of 26326969 in words is "twenty-six million, three hundred twenty-six thousand, nine hundred sixty-nine".