26840086 has 32 divisors (see below), whose sum is σ = 50137920. Its totient is φ = 10492416.

The previous prime is 26840083. The next prime is 26840087. The reversal of 26840086 is 68004862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26840083) 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, 15370 + ... + 17026.

It is an arithmetic number, because the mean of its divisors is an integer number (1566810).

Almost surely, 2^26840086 is an apocalyptic number.

26840086 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

26840086 is a deficient number, since it is larger than the sum of its proper divisors (23297834).

26840086 is a wasteful number, since it uses less digits than its factorization.

26840086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 26840086 is about 5180.7418387717. The cubic root of 26840086 is about 299.4065527679.

The spelling of 26840086 in words is "twenty-six million, eight hundred forty thousand, eighty-six".