26097904 has 40 divisors (see below), whose sum is σ = 59143040. Its totient is φ = 10922688.

The previous prime is 26097859. The next prime is 26097923. The reversal of 26097904 is 40979062.

It is a super-2 number, since 2×26097904² = 1362201186386432, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2107 + ... + 7525.

It is an arithmetic number, because the mean of its divisors is an integer number (1478576).

Almost surely, 2^26097904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26097904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29571520).

26097904 is an abundant number, since it is smaller than the sum of its proper divisors (33045136).

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

26097904 is a wasteful number, since it uses less digits than its factorization.

26097904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5477 (or 5471 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 26097904 is about 5108.6107700626. The cubic root of 26097904 is about 296.6209875103.

It can be divided in two parts, 2 and 6097904, that added together give a palindrome (6097906).

The spelling of 26097904 in words is "twenty-six million, ninety-seven thousand, nine hundred four".