3540218 has 12 divisors (see below), whose sum is σ = 5837370. Its totient is φ = 1609080.

The previous prime is 3540203. The next prime is 3540223. The reversal of 3540218 is 8120453.

3540218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3374569 + 165649 = 1837^2 + 407^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3540193 and 3540202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7073 + ... + 7556.

Almost surely, 2^3540218 is an apocalyptic number.

3540218 is a deficient number, since it is larger than the sum of its proper divisors (2297152).

3540218 is a wasteful number, since it uses less digits than its factorization.

3540218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14653 (or 14642 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 3540218 is about 1881.5467041772. The cubic root of 3540218 is about 152.4087853704.

The spelling of 3540218 in words is "three million, five hundred forty thousand, two hundred eighteen".