26341993 has 4 divisors (see below), whose sum is σ = 27891540. Its totient is φ = 24792448.

The previous prime is 26341957. The next prime is 26342021. The reversal of 26341993 is 39914362.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10445824 + 15896169 = 3232^2 + 3987^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26341993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26341933) 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 3 ways as a sum of consecutive naturals, for example, 774748 + ... + 774781.

It is an arithmetic number, because the mean of its divisors is an integer number (6972885).

Almost surely, 2^26341993 is an apocalyptic number.

It is an amenable number.

26341993 is a deficient number, since it is larger than the sum of its proper divisors (1549547).

26341993 is a wasteful number, since it uses less digits than its factorization.

26341993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549546.

The product of its digits is 34992, while the sum is 37.

The square root of 26341993 is about 5132.4451287861. The cubic root of 26341993 is about 297.5428669722.

The spelling of 26341993 in words is "twenty-six million, three hundred forty-one thousand, nine hundred ninety-three".