3811229 has 4 divisors (see below), whose sum is σ = 4011840. Its totient is φ = 3610620.

The previous prime is 3811217. The next prime is 3811253. The reversal of 3811229 is 9221183.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3811229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3811198 and 3811207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3811279) 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, 100277 + ... + 100314.

It is an arithmetic number, because the mean of its divisors is an integer number (1002960).

Almost surely, 2^3811229 is an apocalyptic number.

It is an amenable number.

3811229 is a deficient number, since it is larger than the sum of its proper divisors (200611).

3811229 is a wasteful number, since it uses less digits than its factorization.

3811229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200610.

The product of its digits is 864, while the sum is 26.

The square root of 3811229 is about 1952.2369220973. The cubic root of 3811229 is about 156.2026322551.

The spelling of 3811229 in words is "three million, eight hundred eleven thousand, two hundred twenty-nine".