3694218 has 32 divisors (see below), whose sum is σ = 8128512. Its totient is φ = 1110000.

The previous prime is 3694217. The next prime is 3694241. The reversal of 3694218 is 8124963.

3694218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (3694217) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 14593 + ... + 14843.

It is an arithmetic number, because the mean of its divisors is an integer number (254016).

Almost surely, 2^3694218 is an apocalyptic number.

3694218 is an abundant number, since it is smaller than the sum of its proper divisors (4434294).

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

3694218 is a wasteful number, since it uses less digits than its factorization.

3694218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490.

The product of its digits is 10368, while the sum is 33.

The square root of 3694218 is about 1922.0348592052. The cubic root of 3694218 is about 154.5874286534.

The spelling of 3694218 in words is "three million, six hundred ninety-four thousand, two hundred eighteen".