26912249 has 16 divisors (see below), whose sum is σ = 33247872. Its totient is φ = 21212928.

The previous prime is 26912243. The next prime is 26912251. The reversal of 26912249 is 94221962.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26912249 is a prime.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (26912243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39062 + ... + 39744.

It is an arithmetic number, because the mean of its divisors is an integer number (2077992).

Almost surely, 2^26912249 is an apocalyptic number.

It is an amenable number.

26912249 is a deficient number, since it is larger than the sum of its proper divisors (6335623).

26912249 is a wasteful number, since it uses less digits than its factorization.

26912249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136.

The product of its digits is 15552, while the sum is 35.

The square root of 26912249 is about 5187.7017069219. The cubic root of 26912249 is about 299.6746435678.

The spelling of 26912249 in words is "twenty-six million, nine hundred twelve thousand, two hundred forty-nine".