26864169 has 8 divisors (see below), whose sum is σ = 36154080. Its totient is φ = 17741856.

The previous prime is 26864153. The next prime is 26864171. The reversal of 26864169 is 96146862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26864169 - 2⁴ = 26864153 is a prime.

It is a super-2 number, since 2×26864169² = 1443367152121122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26864169.

It is not an unprimeable number, because it can be changed into a prime (26864129) 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, 41524 + ... + 42165.

It is an arithmetic number, because the mean of its divisors is an integer number (4519260).

Almost surely, 2^26864169 is an apocalyptic number.

It is an amenable number.

26864169 is a deficient number, since it is larger than the sum of its proper divisors (9289911).

26864169 is a wasteful number, since it uses less digits than its factorization.

26864169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83799.

The product of its digits is 124416, while the sum is 42.

The square root of 26864169 is about 5183.0655986588. The cubic root of 26864169 is about 299.4960762323.

The spelling of 26864169 in words is "twenty-six million, eight hundred sixty-four thousand, one hundred sixty-nine".