8113240 has 64 divisors (see below), whose sum is σ = 19245600. Its totient is φ = 3075072.

The previous prime is 8113213. The next prime is 8113271. The reversal of 8113240 is 423118.

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 15 ways as a sum of consecutive naturals, for example, 91116 + ... + 91204.

Almost surely, 2^8113240 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 8113240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9622800).

8113240 is an abundant number, since it is smaller than the sum of its proper divisors (11132360).

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

8113240 is a wasteful number, since it uses less digits than its factorization.

8113240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 8113240 is about 2848.3749753149. The cubic root of 8113240 is about 200.9392488200.

Adding to 8113240 its reverse (423118), we get a palindrome (8536358).

The spelling of 8113240 in words is "eight million, one hundred thirteen thousand, two hundred forty".