Search a number
26385 = 351759

26385 has 8 divisors (see below), whose sum is σ = 42240. Its totient is φ = 14064.

The previous prime is 26371. The next prime is 26387. The reversal of 26385 is 58362.

26385 is nontrivially palindromic in base 14.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26385 - 26 = 26321 is a prime.

26385 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 865 + ... + 894.

It is an arithmetic number, because the mean of its divisors is an integer number (5280).

226385 is an apocalyptic number.

It is an amenable number.

26385 is a deficient number, since it is larger than the sum of its proper divisors (15855).

26385 is a wasteful number, since it uses less digits than its factorization.

26385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767.

The product of its digits is 1440, while the sum is 24.

The square root of 26385 is about 162.4346022250. The cubic root of 26385 is about 29.7704705757.

The spelling of 26385 in words is "twenty-six thousand, three hundred eighty-five".

Divisors: 1 3 5 15 1759 5277 8795 26385