8238240 has 96 divisors (see below), whose sum is σ = 28848960. Its totient is φ = 2195712.

The previous prime is 8238227. The next prime is 8238247. The reversal of 8238240 is 428328.

8238240 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (8238247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3367 + ... + 5273.

It is an arithmetic number, because the mean of its divisors is an integer number (300510).

Almost surely, 2^8238240 is an apocalyptic number.

8238240 is a gapful number since it is divisible by the number (80) 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 8238240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14424480).

8238240 is an abundant number, since it is smaller than the sum of its proper divisors (20610720).

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

8238240 is a wasteful number, since it uses less digits than its factorization.

8238240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931 (or 1917 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 8238240 is about 2870.2334399836. The cubic root of 8238240 is about 201.9659453097.

The spelling of 8238240 in words is "eight million, two hundred thirty-eight thousand, two hundred forty".