26963220 has 96 divisors (see below), whose sum is σ = 78744960. Its totient is φ = 6888960.

The previous prime is 26963213. The next prime is 26963231. The reversal of 26963220 is 2236962.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193911 + ... + 194049.

It is an arithmetic number, because the mean of its divisors is an integer number (820260).

Almost surely, 2^26963220 is an apocalyptic number.

26963220 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 26963220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39372480).

26963220 is an abundant number, since it is smaller than the sum of its proper divisors (51781740).

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

26963220 is a wasteful number, since it uses less digits than its factorization.

26963220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 26963220 is about 5192.6120594552. The cubic root of 26963220 is about 299.8637158759.

The spelling of 26963220 in words is "twenty-six million, nine hundred sixty-three thousand, two hundred twenty".