3830440 has 64 divisors (see below), whose sum is σ = 9408960. Its totient is φ = 1397760.

The previous prime is 3830429. The next prime is 3830441. The reversal of 3830440 is 440383.

3830440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3830441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29175 + ... + 29305.

It is an arithmetic number, because the mean of its divisors is an integer number (147015).

Almost surely, 2^3830440 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 3830440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4704480).

3830440 is an abundant number, since it is smaller than the sum of its proper divisors (5578520).

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

3830440 is a wasteful number, since it uses less digits than its factorization.

3830440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 3830440 is about 1957.1509905983. The cubic root of 3830440 is about 156.4646457989.

The spelling of 3830440 in words is "three million, eight hundred thirty thousand, four hundred forty".