3821230 has 32 divisors (see below), whose sum is σ = 7971840. Its totient is φ = 1291680.

The previous prime is 3821221. The next prime is 3821231. The reversal of 3821230 is 321283.

It is a happy number.

3821230 is a nontrivial binomial coefficient, being equal to C(2765, 2).

It is a junction number, because it is equal to n+sod(n) for n = 3821198 and 3821207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3821231) 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 15 ways as a sum of consecutive naturals, for example, 5185 + ... + 5875.

It is an arithmetic number, because the mean of its divisors is an integer number (249120).

Almost surely, 2^3821230 is an apocalyptic number.

3821230 is the 2764-th triangular number.

3821230 is the 922-nd centered nonagonal number.

3821230 is an abundant number, since it is smaller than the sum of its proper divisors (4150610).

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

3821230 is a wasteful number, since it uses less digits than its factorization.

3821230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3821230 is about 1954.7966646176. The cubic root of 3821230 is about 156.3391427332.

The spelling of 3821230 in words is "three million, eight hundred twenty-one thousand, two hundred thirty".