26428611 has 16 divisors (see below), whose sum is σ = 38908800. Its totient is φ = 15822720.

The previous prime is 26428603. The next prime is 26428621. The reversal of 26428611 is 11682462.

It is not a de Polignac number, because 26428611 - 2³ = 26428603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26428621) 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, 2086 + ... + 7563.

It is an arithmetic number, because the mean of its divisors is an integer number (2431800).

Almost surely, 2^26428611 is an apocalyptic number.

26428611 is a deficient number, since it is larger than the sum of its proper divisors (12480189).

26428611 is a wasteful number, since it uses less digits than its factorization.

26428611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9746.

The product of its digits is 4608, while the sum is 30.

The square root of 26428611 is about 5140.8764816906. The cubic root of 26428611 is about 297.8686379571.

The spelling of 26428611 in words is "twenty-six million, four hundred twenty-eight thousand, six hundred eleven".