26966249 has 4 divisors (see below), whose sum is σ = 27836160. Its totient is φ = 26096340.

The previous prime is 26966243. The next prime is 26966257. The reversal of 26966249 is 94266962.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26966249 - 2⁸ = 26965993 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (26966243) 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, 434909 + ... + 434970.

It is an arithmetic number, because the mean of its divisors is an integer number (6959040).

Almost surely, 2^26966249 is an apocalyptic number.

It is an amenable number.

26966249 is a deficient number, since it is larger than the sum of its proper divisors (869911).

26966249 is an equidigital number, since it uses as much as digits as its factorization.

26966249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869910.

The product of its digits is 279936, while the sum is 44.

The square root of 26966249 is about 5192.9037156489. The cubic root of 26966249 is about 299.8749441737.

The spelling of 26966249 in words is "twenty-six million, nine hundred sixty-six thousand, two hundred forty-nine".