3821149 has 4 divisors (see below), whose sum is σ = 3875040. Its totient is φ = 3767260.

The previous prime is 3821137. The next prime is 3821171. The reversal of 3821149 is 9411283.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3821149 - 2⁵ = 3821117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3821119) 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, 26839 + ... + 26980.

It is an arithmetic number, because the mean of its divisors is an integer number (968760).

Almost surely, 2^3821149 is an apocalyptic number.

It is an amenable number.

3821149 is a deficient number, since it is larger than the sum of its proper divisors (53891).

3821149 is an equidigital number, since it uses as much as digits as its factorization.

3821149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53890.

The product of its digits is 1728, while the sum is 28.

The square root of 3821149 is about 1954.7759462404. The cubic root of 3821149 is about 156.3380380662.

The spelling of 3821149 in words is "three million, eight hundred twenty-one thousand, one hundred forty-nine".