26889456 has 80 divisors (see below), whose sum is σ = 76566528. Its totient is φ = 8064000.

The previous prime is 26889449. The next prime is 26889463. The reversal of 26889456 is 65498862.

It is a happy number.

26889456 is an esthetic number in base 3, because in such base its adjacent digits differ by 1.

It is an interprime number because it is at equal distance from previous prime (26889449) and next prime (26889463).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66856 + ... + 67256.

Almost surely, 2^26889456 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 26889456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38283264).

26889456 is an abundant number, since it is smaller than the sum of its proper divisors (49677072).

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

26889456 is a wasteful number, since it uses less digits than its factorization.

26889456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550 (or 544 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The square root of 26889456 is about 5185.5044113374. The cubic root of 26889456 is about 299.5900177482.

The spelling of 26889456 in words is "twenty-six million, eight hundred eighty-nine thousand, four hundred fifty-six".