26048389 has 4 divisors (see below), whose sum is σ = 26184960. Its totient is φ = 25911820.

The previous prime is 26048381. The next prime is 26048423. The reversal of 26048389 is 98384062.

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 26048389 - 2³ = 26048381 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26048381) 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, 67999 + ... + 68380.

It is an arithmetic number, because the mean of its divisors is an integer number (6546240).

Almost surely, 2^26048389 is an apocalyptic number.

It is an amenable number.

26048389 is a deficient number, since it is larger than the sum of its proper divisors (136571).

26048389 is a wasteful number, since it uses less digits than its factorization.

26048389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136570.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 26048389 is about 5103.7622397600. The cubic root of 26048389 is about 296.4332778438.

The spelling of 26048389 in words is "twenty-six million, forty-eight thousand, three hundred eighty-nine".