26243427 has 64 divisors (see below), whose sum is σ = 46033920. Its totient is φ = 12939264.

The previous prime is 26243401. The next prime is 26243429. The reversal of 26243427 is 72434262.

It is not a de Polignac number, because 26243427 - 2⁶ = 26243363 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26243394 and 26243403.

It is not an unprimeable number, because it can be changed into a prime (26243429) 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 63 ways as a sum of consecutive naturals, for example, 359463 + ... + 359535.

It is an arithmetic number, because the mean of its divisors is an integer number (719280).

Almost surely, 2^26243427 is an apocalyptic number.

26243427 is a deficient number, since it is larger than the sum of its proper divisors (19790493).

26243427 is a wasteful number, since it uses less digits than its factorization.

26243427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172.

The product of its digits is 16128, while the sum is 30.

The square root of 26243427 is about 5122.8338837015. The cubic root of 26243427 is about 297.1712895998.

Adding to 26243427 its reverse (72434262), we get a palindrome (98677689).

The spelling of 26243427 in words is "twenty-six million, two hundred forty-three thousand, four hundred twenty-seven".