3831445 has 16 divisors (see below), whose sum is σ = 4999680. Its totient is φ = 2808000.

The previous prime is 3831439. The next prime is 3831449. The reversal of 3831445 is 5441383.

It is not a de Polignac number, because 3831445 - 2³ = 3831437 is a prime.

It is a super-3 number, since 3×3831445³ (a number of 21 digits) contains 333 as substring.

3831445 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3831449) 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 15 ways as a sum of consecutive naturals, for example, 2295 + ... + 3595.

It is an arithmetic number, because the mean of its divisors is an integer number (312480).

Almost surely, 2^3831445 is an apocalyptic number.

It is an amenable number.

3831445 is a deficient number, since it is larger than the sum of its proper divisors (1168235).

3831445 is a wasteful number, since it uses less digits than its factorization.

3831445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356.

The product of its digits is 5760, while the sum is 28.

The square root of 3831445 is about 1957.4077245173. The cubic root of 3831445 is about 156.4783285803.

The spelling of 3831445 in words is "three million, eight hundred thirty-one thousand, four hundred forty-five".