26379481 has 4 divisors (see below), whose sum is σ = 27230464. Its totient is φ = 25528500.

The previous prime is 26379421. The next prime is 26379497. The reversal of 26379481 is 18497362.

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 not a de Polignac number, because 26379481 - 2¹¹ = 26377433 is a prime.

It is a super-2 number, since 2×26379481² = 1391754035658722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26379401) 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 3 ways as a sum of consecutive naturals, for example, 425445 + ... + 425506.

It is an arithmetic number, because the mean of its divisors is an integer number (6807616).

Almost surely, 2^26379481 is an apocalyptic number.

It is an amenable number.

26379481 is a deficient number, since it is larger than the sum of its proper divisors (850983).

26379481 is an equidigital number, since it uses as much as digits as its factorization.

26379481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850982.

The product of its digits is 72576, while the sum is 40.

The square root of 26379481 is about 5136.0958908494. The cubic root of 26379481 is about 297.6839471587.

The spelling of 26379481 in words is "twenty-six million, three hundred seventy-nine thousand, four hundred eighty-one".