26946815 has 12 divisors (see below), whose sum is σ = 37615896. Its totient is φ = 18477648.

The previous prime is 26946809. The next prime is 26946817. The reversal of 26946815 is 51864962.

It is a happy number.

It is not a de Polignac number, because 26946815 - 2¹⁰ = 26945791 is a prime.

It is a super-2 number, since 2×26946815² = 1452261677288450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26946817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54749 + ... + 55238.

It is an arithmetic number, because the mean of its divisors is an integer number (3134658).

Almost surely, 2^26946815 is an apocalyptic number.

26946815 is a deficient number, since it is larger than the sum of its proper divisors (10669081).

26946815 is a wasteful number, since it uses less digits than its factorization.

26946815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110006 (or 109999 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 26946815 is about 5191.0321709656. The cubic root of 26946815 is about 299.8028890378.

The spelling of 26946815 in words is "twenty-six million, nine hundred forty-six thousand, eight hundred fifteen".