3821205 has 8 divisors (see below), whose sum is σ = 6113952. Its totient is φ = 2037968.

The previous prime is 3821203. The next prime is 3821219. The reversal of 3821205 is 5021283.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3821205 - 2¹ = 3821203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3821203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127359 + ... + 127388.

It is an arithmetic number, because the mean of its divisors is an integer number (764244).

Almost surely, 2^3821205 is an apocalyptic number.

It is an amenable number.

3821205 is a deficient number, since it is larger than the sum of its proper divisors (2292747).

3821205 is a wasteful number, since it uses less digits than its factorization.

3821205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254755.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 3821205 is about 1954.7902700801. The cubic root of 3821205 is about 156.3388017883.

Adding to 3821205 its reverse (5021283), we get a palindrome (8842488).

The spelling of 3821205 in words is "three million, eight hundred twenty-one thousand, two hundred five".