26390345 has 16 divisors (see below), whose sum is σ = 32555520. Its totient is φ = 20529600.

The previous prime is 26390327. The next prime is 26390363. The reversal of 26390345 is 54309362.

It is an interprime number because it is at equal distance from previous prime (26390327) and next prime (26390363).

It is not a de Polignac number, because 26390345 - 2⁶ = 26390281 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 27575 + ... + 28515.

It is an arithmetic number, because the mean of its divisors is an integer number (2034720).

Almost surely, 2^26390345 is an apocalyptic number.

It is an amenable number.

26390345 is a deficient number, since it is larger than the sum of its proper divisors (6165175).

26390345 is an equidigital number, since it uses as much as digits as its factorization.

26390345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 26390345 is about 5137.1533946340. The cubic root of 26390345 is about 297.7248071304.

The spelling of 26390345 in words is "twenty-six million, three hundred ninety thousand, three hundred forty-five".