8352440 has 64 divisors (see below), whose sum is σ = 20295360. Its totient is φ = 3082240.

The previous prime is 8352439. The next prime is 8352451. The reversal of 8352440 is 442538.

8352440 = 715² + 716² + ... + 730².

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, 48194 + ... + 48366.

It is an arithmetic number, because the mean of its divisors is an integer number (317115).

Almost surely, 2^8352440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8352440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10147680).

8352440 is an abundant number, since it is smaller than the sum of its proper divisors (11942920).

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

8352440 is a wasteful number, since it uses less digits than its factorization.

8352440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 8352440 is about 2890.0588229308. The cubic root of 8352440 is about 202.8948957234.

Adding to 8352440 its reverse (442538), we get a palindrome (8794978).

The spelling of 8352440 in words is "eight million, three hundred fifty-two thousand, four hundred forty".