26848993 has 2 divisors, whose sum is σ = 26848994. Its totient is φ = 26848992.

The previous prime is 26848979. The next prime is 26848999. The reversal of 26848993 is 39984862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17164449 + 9684544 = 4143^2 + 3112^2 .

It is a cyclic number.

It is not a de Polignac number, because 26848993 - 2⁵ = 26848961 is a prime.

It is a super-2 number, since 2×26848993² = 1441736850228098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26848999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13424496 + 13424497.

It is an arithmetic number, because the mean of its divisors is an integer number (13424497).

Almost surely, 2^26848993 is an apocalyptic number.

It is an amenable number.

26848993 is a deficient number, since it is larger than the sum of its proper divisors (1).

26848993 is an equidigital number, since it uses as much as digits as its factorization.

26848993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 49.

The square root of 26848993 is about 5181.6013933918. The cubic root of 26848993 is about 299.4396688966.

The spelling of 26848993 in words is "twenty-six million, eight hundred forty-eight thousand, nine hundred ninety-three".