26298993 has 16 divisors (see below), whose sum is σ = 40320000. Its totient is φ = 14936016.

The previous prime is 26298977. The next prime is 26298997. The reversal of 26298993 is 39989262.

It is not a de Polignac number, because 26298993 - 2⁴ = 26298977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26298997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243 + ... + 7256.

It is an arithmetic number, because the mean of its divisors is an integer number (2520000).

Almost surely, 2^26298993 is an apocalyptic number.

It is an amenable number.

26298993 is a deficient number, since it is larger than the sum of its proper divisors (14021007).

26298993 is a wasteful number, since it uses less digits than its factorization.

26298993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7676.

The product of its digits is 419904, while the sum is 48.

The square root of 26298993 is about 5128.2543813660. The cubic root of 26298993 is about 297.3808783264.

The spelling of 26298993 in words is "twenty-six million, two hundred ninety-eight thousand, nine hundred ninety-three".