26799984 has 120 divisors (see below), whose sum is σ = 79755312. Its totient is φ = 8709120.

The previous prime is 26799977. The next prime is 26799989. The reversal of 26799984 is 48999762.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 26799984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26799989) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237112 + ... + 237224.

Almost surely, 2^26799984 is an apocalyptic number.

26799984 is a gapful number since it is divisible by the number (24) 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 26799984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39877656).

26799984 is an abundant number, since it is smaller than the sum of its proper divisors (52955328).

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

26799984 is a wasteful number, since it uses less digits than its factorization.

26799984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 179 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 26799984 is about 5176.8700968829. The cubic root of 26799984 is about 299.2573631520.

The spelling of 26799984 in words is "twenty-six million, seven hundred ninety-nine thousand, nine hundred eighty-four".