3840210 has 80 divisors (see below), whose sum is σ = 11290752. Its totient is φ = 928800.

The previous prime is 3840203. The next prime is 3840211. The reversal of 3840210 is 120483.

It is a happy number.

3840210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3840211) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 8695 + ... + 9125.

Almost surely, 2^3840210 is an apocalyptic number.

3840210 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 3840210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5645376).

3840210 is an abundant number, since it is smaller than the sum of its proper divisors (7450542).

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

3840210 is a wasteful number, since it uses less digits than its factorization.

3840210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461 (or 452 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 3840210 is about 1959.6453760821. The cubic root of 3840210 is about 156.5975601857.

Adding to 3840210 its reverse (120483), we get a palindrome (3960693).

The spelling of 3840210 in words is "three million, eight hundred forty thousand, two hundred ten".