26689014 has 80 divisors (see below), whose sum is σ = 69155856. Its totient is φ = 7603200.

The previous prime is 26689007. The next prime is 26689021. The reversal of 26689014 is 41098662.

It is an interprime number because it is at equal distance from previous prime (26689007) and next prime (26689021).

It is a self number, because there is not a number n which added to its sum of digits gives 26689014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 29854 + ... + 30734.

Almost surely, 2^26689014 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26689014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34577928).

26689014 is an abundant number, since it is smaller than the sum of its proper divisors (42466842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26689014 is a wasteful number, since it uses less digits than its factorization.

26689014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923 (or 914 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 26689014 is about 5166.1411130553. The cubic root of 26689014 is about 298.8437493399.

The spelling of 26689014 in words is "twenty-six million, six hundred eighty-nine thousand, fourteen".