26604928 has 64 divisors (see below), whose sum is σ = 63256320. Its totient is φ = 10897920.

The previous prime is 26604889. The next prime is 26604943. The reversal of 26604928 is 82940662.

It is a tau number, because it is divible by the number of its divisors (64).

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, 19963 + ... + 21253.

It is an arithmetic number, because the mean of its divisors is an integer number (988380).

Almost surely, 2^26604928 is an apocalyptic number.

26604928 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26604928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31628160).

26604928 is an abundant number, since it is smaller than the sum of its proper divisors (36651392).

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

26604928 is a wasteful number, since it uses less digits than its factorization.

26604928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335 (or 1323 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 26604928 is about 5157.9965102741. The cubic root of 26604928 is about 298.5295749797.

The spelling of 26604928 in words is "twenty-six million, six hundred four thousand, nine hundred twenty-eight".