26949105 has 20 divisors (see below), whose sum is σ = 48309492. Its totient is φ = 14372640.

The previous prime is 26949103. The next prime is 26949151. The reversal of 26949105 is 50194962.

It can be written as a sum of positive squares in 2 ways, for example, as 17363889 + 9585216 = 4167^2 + 3096^2 .

It is not a de Polignac number, because 26949105 - 2¹ = 26949103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26949105.

It is not an unprimeable number, because it can be changed into a prime (26949103) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 32866 + ... + 33675.

Almost surely, 2^26949105 is an apocalyptic number.

It is an amenable number.

26949105 is a deficient number, since it is larger than the sum of its proper divisors (21360387).

26949105 is an equidigital number, since it uses as much as digits as its factorization.

26949105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66558 (or 66549 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 26949105 is about 5191.2527389831. The cubic root of 26949105 is about 299.8113814350.

The spelling of 26949105 in words is "twenty-six million, nine hundred forty-nine thousand, one hundred five".