26268949 has 6 divisors (see below), whose sum is σ = 30557814. Its totient is φ = 22516200.

The previous prime is 26268943. The next prime is 26268953. The reversal of 26268949 is 94986262.

It can be written as a sum of positive squares in only one way, i.e., 25826724 + 442225 = 5082^2 + 665^2 .

It is not a de Polignac number, because 26268949 - 2¹³ = 26260757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26268899 and 26268908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26268943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 268002 + ... + 268099.

It is an arithmetic number, because the mean of its divisors is an integer number (5092969).

Almost surely, 2^26268949 is an apocalyptic number.

It is an amenable number.

26268949 is a deficient number, since it is larger than the sum of its proper divisors (4288865).

26268949 is an equidigital number, since it uses as much as digits as its factorization.

26268949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536115 (or 536108 counting only the distinct ones).

The product of its digits is 373248, while the sum is 46.

The square root of 26268949 is about 5125.3242824235. The cubic root of 26268949 is about 297.2675924231.

The spelling of 26268949 in words is "twenty-six million, two hundred sixty-eight thousand, nine hundred forty-nine".