3694220 has 12 divisors (see below), whose sum is σ = 7757904. Its totient is φ = 1477680.

The previous prime is 3694217. The next prime is 3694241. The reversal of 3694220 is 224963.

3694220 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3694220² = 27294522816800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3694220.

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 3 ways as a sum of consecutive naturals, for example, 92336 + ... + 92375.

It is an arithmetic number, because the mean of its divisors is an integer number (646492).

Almost surely, 2^3694220 is an apocalyptic number.

It is an amenable number.

3694220 is an abundant number, since it is smaller than the sum of its proper divisors (4063684).

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

3694220 is a wasteful number, since it uses less digits than its factorization.

3694220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184720 (or 184718 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 3694220 is about 1922.0353794871. The cubic root of 3694220 is about 154.5874565506.

The spelling of 3694220 in words is "three million, six hundred ninety-four thousand, two hundred twenty".