26868408 has 32 divisors (see below), whose sum is σ = 76767360. Its totient is φ = 7676640.

The previous prime is 26868397. The next prime is 26868409. The reversal of 26868408 is 80486862.

It is a super-2 number, since 2×26868408² = 1443822696908928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 26868408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26868409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79798 + ... + 80133.

It is an arithmetic number, because the mean of its divisors is an integer number (2398980).

Almost surely, 2^26868408 is an apocalyptic number.

26868408 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

26868408 is an abundant number, since it is smaller than the sum of its proper divisors (49898952).

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

26868408 is a wasteful number, since it uses less digits than its factorization.

26868408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159947 (or 159943 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 26868408 is about 5183.4745104032. The cubic root of 26868408 is about 299.5118282810.

The spelling of 26868408 in words is "twenty-six million, eight hundred sixty-eight thousand, four hundred eight".