26423641 has 4 divisors (see below), whose sum is σ = 26598784. Its totient is φ = 26248500.

The previous prime is 26423599. The next prime is 26423653. The reversal of 26423641 is 14632462.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26423641 - 2¹³ = 26415449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26423141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87345 + ... + 87646.

It is an arithmetic number, because the mean of its divisors is an integer number (6649696).

Almost surely, 2^26423641 is an apocalyptic number.

It is an amenable number.

26423641 is a deficient number, since it is larger than the sum of its proper divisors (175143).

26423641 is a wasteful number, since it uses less digits than its factorization.

26423641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175142.

The product of its digits is 6912, while the sum is 28.

The square root of 26423641 is about 5140.3930783550. The cubic root of 26423641 is about 297.8499650128.

The spelling of 26423641 in words is "twenty-six million, four hundred twenty-three thousand, six hundred forty-one".