26812992 has 56 divisors (see below), whose sum is σ = 71323200. Its totient is φ = 8889856.

The previous prime is 26812991. The next prime is 26813021. The reversal of 26812992 is 29921862.

It is a self number, because there is not a number n which added to its sum of digits gives 26812992.

It is not an unprimeable number, because it can be changed into a prime (26812991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68734 + ... + 69122.

Almost surely, 2^26812992 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 26812992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35661600).

26812992 is an abundant number, since it is smaller than the sum of its proper divisors (44510208).

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

26812992 is a wasteful number, since it uses less digits than its factorization.

26812992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763 (or 753 counting only the distinct ones).

The product of its digits is 31104, while the sum is 39.

The square root of 26812992 is about 5178.1263020517. The cubic root of 26812992 is about 299.3057725110.

The spelling of 26812992 in words is "twenty-six million, eight hundred twelve thousand, nine hundred ninety-two".