3855330 has 64 divisors (see below), whose sum is σ = 10454400. Its totient is φ = 1010880.

The previous prime is 3855323. The next prime is 3855331. The reversal of 3855330 is 335583.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 3855294 and 3855303.

It is not an unprimeable number, because it can be changed into a prime (3855331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29365 + ... + 29495.

It is an arithmetic number, because the mean of its divisors is an integer number (163350).

Almost surely, 2^3855330 is an apocalyptic number.

3855330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3855330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5227200).

3855330 is an abundant number, since it is smaller than the sum of its proper divisors (6599070).

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

3855330 is a wasteful number, since it uses less digits than its factorization.

3855330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 3855330 is about 1963.4994270435. The cubic root of 3855330 is about 156.8028140981.

It can be divided in two parts, 38553 and 30, that added together give a palindrome (38583).

The spelling of 3855330 in words is "three million, eight hundred fifty-five thousand, three hundred thirty".