26983320 has 192 divisors, whose sum is σ = 101697120. Its totient is φ = 5677056.

The previous prime is 26983303. The next prime is 26983321. The reversal of 26983320 is 2338962.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26983321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 76264 + ... + 76616.

Almost surely, 2^26983320 is an apocalyptic number.

26983320 is a gapful number since it is divisible by the number (20) 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 26983320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50848560).

26983320 is an abundant number, since it is smaller than the sum of its proper divisors (74713800).

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

26983320 is a wasteful number, since it uses less digits than its factorization.

26983320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 26983320 is about 5194.5471409931. The cubic root of 26983320 is about 299.9382094962.

The spelling of 26983320 in words is "twenty-six million, nine hundred eighty-three thousand, three hundred twenty".