3702218 has 32 divisors (see below), whose sum is σ = 6435072. Its totient is φ = 1584000.

The previous prime is 3702211. The next prime is 3702229. The reversal of 3702218 is 8122073.

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

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3702193 and 3702202.

It is not an unprimeable number, because it can be changed into a prime (3702211) 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, 24443 + ... + 24593.

It is an arithmetic number, because the mean of its divisors is an integer number (201096).

Almost surely, 2^3702218 is an apocalyptic number.

3702218 is a deficient number, since it is larger than the sum of its proper divisors (2732854).

3702218 is a wasteful number, since it uses less digits than its factorization.

3702218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 3702218 is about 1924.1148614363. The cubic root of 3702218 is about 154.6989369430.

The spelling of 3702218 in words is "three million, seven hundred two thousand, two hundred eighteen".