26891514 has 60 divisors (see below), whose sum is σ = 65471406. Its totient is φ = 8201088.

The previous prime is 26891443. The next prime is 26891519. The reversal of 26891514 is 41519862.

It can be written as a sum of positive squares in 3 ways, for example, as 2832489 + 24059025 = 1683^2 + 4905^2 .

It is not an unprimeable number, because it can be changed into a prime (26891519) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 237922 + ... + 238034.

Almost surely, 2^26891514 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26891514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32735703).

26891514 is an abundant number, since it is smaller than the sum of its proper divisors (38579892).

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

26891514 is a wasteful number, since it uses less digits than its factorization.

26891514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 131 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 26891514 is about 5185.7028453239. The cubic root of 26891514 is about 299.5976606514.

The spelling of 26891514 in words is "twenty-six million, eight hundred ninety-one thousand, five hundred fourteen".