26289788 has 12 divisors (see below), whose sum is σ = 52579632. Its totient is φ = 11267040.

The previous prime is 26289773. The next prime is 26289797. The reversal of 26289788 is 88798262.

26289788 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469433 + ... + 469488.

It is an arithmetic number, because the mean of its divisors is an integer number (4381636).

Almost surely, 2^26289788 is an apocalyptic number.

26289788 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

26289788 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

26289788 is a wasteful number, since it uses less digits than its factorization.

26289788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938932 (or 938930 counting only the distinct ones).

The product of its digits is 774144, while the sum is 50.

The square root of 26289788 is about 5127.3568239396. The cubic root of 26289788 is about 297.3461785134.

The spelling of 26289788 in words is "twenty-six million, two hundred eighty-nine thousand, seven hundred eighty-eight".