26243697 has 16 divisors (see below), whose sum is σ = 35622720. Its totient is φ = 17183232.

The previous prime is 26243681. The next prime is 26243729. The reversal of 26243697 is 79634262.

It is not a de Polignac number, because 26243697 - 2⁴ = 26243681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26243677) 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 15 ways as a sum of consecutive naturals, for example, 60393 + ... + 60825.

It is an arithmetic number, because the mean of its divisors is an integer number (2226420).

Almost surely, 2^26243697 is an apocalyptic number.

It is an amenable number.

26243697 is a deficient number, since it is larger than the sum of its proper divisors (9379023).

26243697 is a wasteful number, since it uses less digits than its factorization.

26243697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752.

The product of its digits is 108864, while the sum is 39.

The square root of 26243697 is about 5122.8602362352. The cubic root of 26243697 is about 297.1723087245.

The spelling of 26243697 in words is "twenty-six million, two hundred forty-three thousand, six hundred ninety-seven".