8262240 has 96 divisors (see below), whose sum is σ = 29756160. Its totient is φ = 1887744.

The previous prime is 8262227. The next prime is 8262253. The reversal of 8262240 is 422628.

It is an interprime number because it is at equal distance from previous prime (8262227) and next prime (8262253).

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 8262240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2131 + ... + 4589.

It is an arithmetic number, because the mean of its divisors is an integer number (309960).

Almost surely, 2^8262240 is an apocalyptic number.

8262240 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 8262240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14878080).

8262240 is an abundant number, since it is smaller than the sum of its proper divisors (21493920).

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

8262240 is a wasteful number, since it uses less digits than its factorization.

8262240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484 (or 2476 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 8262240 is about 2874.4112440637. The cubic root of 8262240 is about 202.1618804966.

Adding to 8262240 its reverse (422628), we get a palindrome (8684868).

The spelling of 8262240 in words is "eight million, two hundred sixty-two thousand, two hundred forty".