26690104 has 24 divisors (see below), whose sum is σ = 58215240. Its totient is φ = 11438448.

The previous prime is 26690099. The next prime is 26690129. The reversal of 26690104 is 40109662.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 33652 + ... + 34435.

It is an arithmetic number, because the mean of its divisors is an integer number (2425635).

Almost surely, 2^26690104 is an apocalyptic number.

It is an amenable number.

26690104 is an abundant number, since it is smaller than the sum of its proper divisors (31525136).

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

26690104 is a wasteful number, since it uses less digits than its factorization.

26690104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68107 (or 68096 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 26690104 is about 5166.2466065801. The cubic root of 26690104 is about 298.8478176213.

Adding to 26690104 its reverse (40109662), we get a palindrome (66799766).

The spelling of 26690104 in words is "twenty-six million, six hundred ninety thousand, one hundred four".