26946645 has 32 divisors (see below), whose sum is σ = 47329920. Its totient is φ = 12983040.

The previous prime is 26946643. The next prime is 26946677. The reversal of 26946645 is 54664962.

It is not a de Polignac number, because 26946645 - 2¹ = 26946643 is a prime.

It is a super-2 number, since 2×26946645² = 1452243353512050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26946597 and 26946606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26946643) 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 31 ways as a sum of consecutive naturals, for example, 32091 + ... + 32919.

It is an arithmetic number, because the mean of its divisors is an integer number (1479060).

Almost surely, 2^26946645 is an apocalyptic number.

It is an amenable number.

26946645 is a deficient number, since it is larger than the sum of its proper divisors (20383275).

26946645 is a wasteful number, since it uses less digits than its factorization.

26946645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045.

The product of its digits is 311040, while the sum is 42.

The square root of 26946645 is about 5191.0157965470. The cubic root of 26946645 is about 299.8022585786.

It can be divided in two parts, 2694 and 6645, that added together give a palindrome (9339).

The spelling of 26946645 in words is "twenty-six million, nine hundred forty-six thousand, six hundred forty-five".