3840328 has 16 divisors (see below), whose sum is σ = 7230780. Its totient is φ = 1912128.

The previous prime is 3840313. The next prime is 3840329. The reversal of 3840328 is 8230483.

It can be written as a sum of positive squares in 2 ways, for example, as 3678724 + 161604 = 1918^2 + 402^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3840296 and 3840305.

It is not an unprimeable number, because it can be changed into a prime (3840329) 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, 1350 + ... + 3082.

Almost surely, 2^3840328 is an apocalyptic number.

It is an amenable number.

3840328 is a deficient number, since it is larger than the sum of its proper divisors (3390452).

3840328 is a wasteful number, since it uses less digits than its factorization.

3840328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016 (or 2012 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 3840328 is about 1959.6754833390. The cubic root of 3840328 is about 156.5991641191.

The spelling of 3840328 in words is "three million, eight hundred forty thousand, three hundred twenty-eight".