26906961 has 4 divisors (see below), whose sum is σ = 35875952. Its totient is φ = 17937972.

The previous prime is 26906959. The next prime is 26906963. The reversal of 26906961 is 16960962.

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 an interprime number because it is at equal distance from previous prime (26906959) and next prime (26906963).

It is not a de Polignac number, because 26906961 - 2¹ = 26906959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26906963) 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, 4484491 + ... + 4484496.

It is an arithmetic number, because the mean of its divisors is an integer number (8968988).

Almost surely, 2^26906961 is an apocalyptic number.

It is an amenable number.

26906961 is a deficient number, since it is larger than the sum of its proper divisors (8968991).

26906961 is an equidigital number, since it uses as much as digits as its factorization.

26906961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8968990.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 26906961 is about 5187.1920149538. The cubic root of 26906961 is about 299.6550145466.

The spelling of 26906961 in words is "twenty-six million, nine hundred six thousand, nine hundred sixty-one".