26412889 has 4 divisors (see below), whose sum is σ = 26482960. Its totient is φ = 26342820.

The previous prime is 26412871. The next prime is 26412913. The reversal of 26412889 is 98821462.

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 26412889 - 2¹¹ = 26410841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26412839) 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, 34467 + ... + 35224.

It is an arithmetic number, because the mean of its divisors is an integer number (6620740).

Almost surely, 2^26412889 is an apocalyptic number.

It is an amenable number.

26412889 is a deficient number, since it is larger than the sum of its proper divisors (70071).

26412889 is an equidigital number, since it uses as much as digits as its factorization.

26412889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70070.

The product of its digits is 55296, while the sum is 40.

The square root of 26412889 is about 5139.3471375263. The cubic root of 26412889 is about 297.8095603200.

The spelling of 26412889 in words is "twenty-six million, four hundred twelve thousand, eight hundred eighty-nine".