26896945 has 8 divisors (see below), whose sum is σ = 32319144. Its totient is φ = 21489024.

The previous prime is 26896931. The next prime is 26896993. The reversal of 26896945 is 54969862.

It can be written as a sum of positive squares in 4 ways, for example, as 16353936 + 10543009 = 4044^2 + 3247^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 26896945 - 2¹³ = 26888753 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1147 + ... + 7423.

It is an arithmetic number, because the mean of its divisors is an integer number (4039893).

Almost surely, 2^26896945 is an apocalyptic number.

It is an amenable number.

26896945 is a deficient number, since it is larger than the sum of its proper divisors (5422199).

26896945 is an equidigital number, since it uses as much as digits as its factorization.

26896945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7139.

The product of its digits is 933120, while the sum is 49.

The square root of 26896945 is about 5186.2264701804. The cubic root of 26896945 is about 299.6178281705.

The spelling of 26896945 in words is "twenty-six million, eight hundred ninety-six thousand, nine hundred forty-five".