3821011 has 4 divisors (see below), whose sum is σ = 3952800. Its totient is φ = 3689224.

The previous prime is 3821009. The next prime is 3821057. The reversal of 3821011 is 1101283.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3821011 - 2¹ = 3821009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3821911) 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 3 ways as a sum of consecutive naturals, for example, 65851 + ... + 65908.

It is an arithmetic number, because the mean of its divisors is an integer number (988200).

Almost surely, 2^3821011 is an apocalyptic number.

3821011 is a deficient number, since it is larger than the sum of its proper divisors (131789).

3821011 is a wasteful number, since it uses less digits than its factorization.

3821011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131788.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 3821011 is about 1954.7406477587. The cubic root of 3821011 is about 156.3361560050.

Adding to 3821011 its reverse (1101283), we get a palindrome (4922294).

The spelling of 3821011 in words is "three million, eight hundred twenty-one thousand, eleven".