26489372 has 48 divisors (see below), whose sum is σ = 58037952. Its totient is φ = 10298880.

The previous prime is 26489357. The next prime is 26489377. The reversal of 26489372 is 27398462.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26489377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21608 + ... + 22800.

It is an arithmetic number, because the mean of its divisors is an integer number (1209124).

Almost surely, 2^26489372 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 26489372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29018976).

26489372 is an abundant number, since it is smaller than the sum of its proper divisors (31548580).

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

26489372 is a wasteful number, since it uses less digits than its factorization.

26489372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278 (or 1276 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 26489372 is about 5146.7826843573. The cubic root of 26489372 is about 298.0967360073.

The spelling of 26489372 in words is "twenty-six million, four hundred eighty-nine thousand, three hundred seventy-two".