26949379 has 4 divisors (see below), whose sum is σ = 26992720. Its totient is φ = 26906040.

The previous prime is 26949317. The next prime is 26949383. The reversal of 26949379 is 97394962.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26949379 - 2¹⁷ = 26818307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26949389) 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 3 ways as a sum of consecutive naturals, for example, 20724 + ... + 21985.

It is an arithmetic number, because the mean of its divisors is an integer number (6748180).

Almost surely, 2^26949379 is an apocalyptic number.

26949379 is a deficient number, since it is larger than the sum of its proper divisors (43341).

26949379 is an equidigital number, since it uses as much as digits as its factorization.

26949379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43340.

The product of its digits is 734832, while the sum is 49.

The square root of 26949379 is about 5191.2791294632. The cubic root of 26949379 is about 299.8123975236.

The spelling of 26949379 in words is "twenty-six million, nine hundred forty-nine thousand, three hundred seventy-nine".