3811149 has 6 divisors (see below), whose sum is σ = 5505006. Its totient is φ = 2540760.

The previous prime is 3811147. The next prime is 3811163. The reversal of 3811149 is 9411183.

It can be written as a sum of positive squares in only one way, i.e., 3802500 + 8649 = 1950^2 + 93^2 .

It is not a de Polignac number, because 3811149 - 2¹ = 3811147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3811141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 211722 + ... + 211739.

It is an arithmetic number, because the mean of its divisors is an integer number (917501).

Almost surely, 2^3811149 is an apocalyptic number.

It is an amenable number.

3811149 is a deficient number, since it is larger than the sum of its proper divisors (1693857).

3811149 is a wasteful number, since it uses less digits than its factorization.

3811149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423467 (or 423464 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 3811149 is about 1952.2164326734. The cubic root of 3811149 is about 156.2015393182.

The spelling of 3811149 in words is "three million, eight hundred eleven thousand, one hundred forty-nine".