3830389 has 8 divisors (see below), whose sum is σ = 4074840. Its totient is φ = 3588096.

The previous prime is 3830377. The next prime is 3830401. The reversal of 3830389 is 9830383.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3830377) and next prime (3830401).

It can be written as a sum of positive squares in 4 ways, for example, as 1822500 + 2007889 = 1350^2 + 1417^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3830389 - 2⁵ = 3830357 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3830689) 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 7 ways as a sum of consecutive naturals, for example, 4597 + ... + 5365.

It is an arithmetic number, because the mean of its divisors is an integer number (509355).

Almost surely, 2^3830389 is an apocalyptic number.

It is an amenable number.

3830389 is a deficient number, since it is larger than the sum of its proper divisors (244451).

3830389 is a wasteful number, since it uses less digits than its factorization.

3830389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 3830389 is about 1957.1379614120. The cubic root of 3830389 is about 156.4639513850.

The spelling of 3830389 in words is "three million, eight hundred thirty thousand, three hundred eighty-nine".