3500530 has 32 divisors (see below), whose sum is σ = 6956928. Its totient is φ = 1268080.

The previous prime is 3500509. The next prime is 3500537. The reversal of 3500530 is 350053.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3500537) by changing a digit.

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, 13179 + ... + 13441.

It is an arithmetic number, because the mean of its divisors is an integer number (217404).

Almost surely, 2^3500530 is an apocalyptic number.

3500530 is a deficient number, since it is larger than the sum of its proper divisors (3456398).

3500530 is a wasteful number, since it uses less digits than its factorization.

3500530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 16.

The square root of 3500530 is about 1870.9703364832. The cubic root of 3500530 is about 151.8371119791.

Adding to 3500530 its reverse (350053), we get a palindrome (3850583).

The spelling of 3500530 in words is "three million, five hundred thousand, five hundred thirty".