26391379 has 8 divisors (see below), whose sum is σ = 30863360. Its totient is φ = 22094856.

The previous prime is 26391371. The next prime is 26391383. The reversal of 26391379 is 97319362.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26391379 - 2³ = 26391371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26391371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43539 + ... + 44140.

It is an arithmetic number, because the mean of its divisors is an integer number (3857920).

Almost surely, 2^26391379 is an apocalyptic number.

26391379 is a deficient number, since it is larger than the sum of its proper divisors (4471981).

26391379 is an equidigital number, since it uses as much as digits as its factorization.

26391379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87729.

The product of its digits is 61236, while the sum is 40.

The square root of 26391379 is about 5137.2540330414. The cubic root of 26391379 is about 297.7286954644.

The spelling of 26391379 in words is "twenty-six million, three hundred ninety-one thousand, three hundred seventy-nine".