26889340 has 24 divisors (see below), whose sum is σ = 56730240. Its totient is φ = 10705728.

The previous prime is 26889337. The next prime is 26889347. The reversal of 26889340 is 4398862.

It is a junction number, because it is equal to n+sod(n) for n = 26889293 and 26889302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26889347) 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 7 ways as a sum of consecutive naturals, for example, 1446 + ... + 7474.

It is an arithmetic number, because the mean of its divisors is an integer number (2363760).

Almost surely, 2^26889340 is an apocalyptic number.

26889340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26889340 is an abundant number, since it is smaller than the sum of its proper divisors (29840900).

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

26889340 is a wasteful number, since it uses less digits than its factorization.

26889340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6261 (or 6259 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 26889340 is about 5185.4932262997. The cubic root of 26889340 is about 299.5895869413.

The spelling of 26889340 in words is "twenty-six million, eight hundred eighty-nine thousand, three hundred forty".