8340530 has 48 divisors (see below), whose sum is σ = 16920792. Its totient is φ = 2956800.

The previous prime is 8340529. The next prime is 8340533. The reversal of 8340530 is 350438.

It can be written as a sum of positive squares in 4 ways, for example, as 1771561 + 6568969 = 1331^2 + 2563^2 .

It is a Smith number, since the sum of its digits (23) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8340496 and 8340505.

It is not an unprimeable number, because it can be changed into a prime (8340533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73754 + ... + 73866.

Almost surely, 2^8340530 is an apocalyptic number.

8340530 is an abundant number, since it is smaller than the sum of its proper divisors (8580262).

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

8340530 is a wasteful number, since it uses less digits than its factorization.

8340530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 8340530 is about 2887.9975761763. The cubic root of 8340530 is about 202.7984118338.

Adding to 8340530 its reverse (350438), we get a palindrome (8690968).

The spelling of 8340530 in words is "eight million, three hundred forty thousand, five hundred thirty".