3816220 has 12 divisors (see below), whose sum is σ = 8014104. Its totient is φ = 1526480.

The previous prime is 3816203. The next prime is 3816233. The reversal of 3816220 is 226183.

It is a junction number, because it is equal to n+sod(n) for n = 3816191 and 3816200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95386 + ... + 95425.

It is an arithmetic number, because the mean of its divisors is an integer number (667842).

Almost surely, 2^3816220 is an apocalyptic number.

It is an amenable number.

3816220 is an abundant number, since it is smaller than the sum of its proper divisors (4197884).

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

3816220 is a wasteful number, since it uses less digits than its factorization.

3816220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190820 (or 190818 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 3816220 is about 1953.5147811061. The cubic root of 3816220 is about 156.2707876343.

The spelling of 3816220 in words is "three million, eight hundred sixteen thousand, two hundred twenty".