26648793 has 6 divisors (see below), whose sum is σ = 38492714. Its totient is φ = 17765856.

The previous prime is 26648779. The next prime is 26648801. The reversal of 26648793 is 39784662.

It can be written as a sum of positive squares in only one way, i.e., 20903184 + 5745609 = 4572^2 + 2397^2 .

It is not a de Polignac number, because 26648793 - 2⁵ = 26648761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26648753) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1480480 + ... + 1480497.

Almost surely, 2^26648793 is an apocalyptic number.

It is an amenable number.

26648793 is a deficient number, since it is larger than the sum of its proper divisors (11843921).

26648793 is a wasteful number, since it uses less digits than its factorization.

26648793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2960983 (or 2960980 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 26648793 is about 5162.2468945218. The cubic root of 26648793 is about 298.6935522395.

The spelling of 26648793 in words is "twenty-six million, six hundred forty-eight thousand, seven hundred ninety-three".