26284984 has 16 divisors (see below), whose sum is σ = 53764920. Its totient is φ = 11947680.

The previous prime is 26284969. The next prime is 26284987. The reversal of 26284984 is 48948262.

It is a self number, because there is not a number n which added to its sum of digits gives 26284984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26284987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149259 + ... + 149434.

Almost surely, 2^26284984 is an apocalyptic number.

It is an amenable number.

26284984 is an abundant number, since it is smaller than the sum of its proper divisors (27479936).

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

26284984 is a wasteful number, since it uses less digits than its factorization.

26284984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298710 (or 298706 counting only the distinct ones).

The product of its digits is 221184, while the sum is 43.

The square root of 26284984 is about 5126.8883350430. Note that the first 3 decimals coincide. The cubic root of 26284984 is about 297.3280658016.

Subtracting 26284984 from its reverse (48948262), we obtain a triangular number (22663278 = T₆₇₃₂).

The spelling of 26284984 in words is "twenty-six million, two hundred eighty-four thousand, nine hundred eighty-four".