3858228 has 36 divisors (see below), whose sum is σ = 10640448. Its totient is φ = 1169040.

The previous prime is 3858199. The next prime is 3858233. The reversal of 3858228 is 8228583.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3858192 and 3858201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4476 + ... + 5267.

It is an arithmetic number, because the mean of its divisors is an integer number (295568).

Almost surely, 2^3858228 is an apocalyptic number.

It is an amenable number.

3858228 is an abundant number, since it is smaller than the sum of its proper divisors (6782220).

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

3858228 is a wasteful number, since it uses less digits than its factorization.

3858228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9764 (or 9759 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 3858228 is about 1964.2372565451. The cubic root of 3858228 is about 156.8420931173.

The spelling of 3858228 in words is "three million, eight hundred fifty-eight thousand, two hundred twenty-eight".