8203240 has 16 divisors (see below), whose sum is σ = 18457380. Its totient is φ = 3281280.

The previous prime is 8203213. The next prime is 8203241. The reversal of 8203240 is 423028.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8054244 + 148996 = 2838^2 + 386^2 .

It is not an unprimeable number, because it can be changed into a prime (8203241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102501 + ... + 102580.

Almost surely, 2^8203240 is an apocalyptic number.

It is an amenable number.

8203240 is an abundant number, since it is smaller than the sum of its proper divisors (10254140).

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

8203240 is a wasteful number, since it uses less digits than its factorization.

8203240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205092 (or 205088 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 8203240 is about 2864.1298853229. The cubic root of 8203240 is about 201.6795231959.

Adding to 8203240 its reverse (423028), we get a palindrome (8626268).

The spelling of 8203240 in words is "eight million, two hundred three thousand, two hundred forty".