26289066 has 16 divisors (see below), whose sum is σ = 52629984. Its totient is φ = 8754384.

The previous prime is 26289061. The next prime is 26289073. The reversal of 26289066 is 66098262.

It is a super-2 number, since 2×26289066² = 1382229982304712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26289061) 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 7 ways as a sum of consecutive naturals, for example, 8416 + ... + 11108.

It is an arithmetic number, because the mean of its divisors is an integer number (3289374).

Almost surely, 2^26289066 is an apocalyptic number.

26289066 is an abundant number, since it is smaller than the sum of its proper divisors (26340918).

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

26289066 is a wasteful number, since it uses less digits than its factorization.

26289066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4325.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 26289066 is about 5127.2864168096. The cubic root of 26289066 is about 297.3434564690.

The spelling of 26289066 in words is "twenty-six million, two hundred eighty-nine thousand, sixty-six".