3831424 has 32 divisors (see below), whose sum is σ = 7848900. Its totient is φ = 1861632.

The previous prime is 3831413. The next prime is 3831427. The reversal of 3831424 is 4241383.

It can be written as a sum of positive squares in 2 ways, for example, as 3125824 + 705600 = 1768^2 + 840^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (3831427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4332 + ... + 5140.

Almost surely, 2^3831424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3831424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3924450).

3831424 is an abundant number, since it is smaller than the sum of its proper divisors (4017476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3831424 is an equidigital number, since it uses as much as digits as its factorization.

3831424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860 (or 848 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 3831424 is about 1957.4023602724. The cubic root of 3831424 is about 156.4780426959.

The spelling of 3831424 in words is "three million, eight hundred thirty-one thousand, four hundred twenty-four".