3838220 has 12 divisors (see below), whose sum is σ = 8060304. Its totient is φ = 1535280.

The previous prime is 3838213. The next prime is 3838231. The reversal of 3838220 is 228383.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3838220.

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, 95936 + ... + 95975.

It is an arithmetic number, because the mean of its divisors is an integer number (671692).

Almost surely, 2^3838220 is an apocalyptic number.

It is an amenable number.

3838220 is an abundant number, since it is smaller than the sum of its proper divisors (4222084).

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

3838220 is a wasteful number, since it uses less digits than its factorization.

3838220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191920 (or 191918 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 3838220 is about 1959.1375653588. The cubic root of 3838220 is about 156.5705058502.

The spelling of 3838220 in words is "three million, eight hundred thirty-eight thousand, two hundred twenty".