3830140 has 12 divisors (see below), whose sum is σ = 8043336. Its totient is φ = 1532048.

The previous prime is 3830137. The next prime is 3830147. The reversal of 3830140 is 410383.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3830147) 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, 95734 + ... + 95773.

It is an arithmetic number, because the mean of its divisors is an integer number (670278).

Almost surely, 2^3830140 is an apocalyptic number.

It is an amenable number.

3830140 is an abundant number, since it is smaller than the sum of its proper divisors (4213196).

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

3830140 is a wasteful number, since it uses less digits than its factorization.

3830140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191516 (or 191514 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3830140 is about 1957.0743470804. The cubic root of 3830140 is about 156.4605609228.

The spelling of 3830140 in words is "three million, eight hundred thirty thousand, one hundred forty".