8332840 has 32 divisors (see below), whose sum is σ = 19209960. Its totient is φ = 3251200.

The previous prime is 8332837. The next prime is 8332843. The reversal of 8332840 is 482338.

It is an interprime number because it is at equal distance from previous prime (8332837) and next prime (8332843).

It can be written as a sum of positive squares in 4 ways, for example, as 2829124 + 5503716 = 1682^2 + 2346^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8332799 and 8332808.

It is not an unprimeable number, because it can be changed into a prime (8332843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 901 + ... + 4180.

Almost surely, 2^8332840 is an apocalyptic number.

It is an amenable number.

8332840 is an abundant number, since it is smaller than the sum of its proper divisors (10877120).

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

8332840 is a wasteful number, since it uses less digits than its factorization.

8332840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5133 (or 5129 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 8332840 is about 2886.6658968436. The cubic root of 8332840 is about 202.7360657029.

It can be divided in two parts, 83 and 32840, that added together give a palindrome (32923).

The spelling of 8332840 in words is "eight million, three hundred thirty-two thousand, eight hundred forty".