3859387 has 12 divisors (see below), whose sum is σ = 4550880. Its totient is φ = 3262896.

The previous prime is 3859381. The next prime is 3859393. The reversal of 3859387 is 7839583.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3859381) and next prime (3859393).

It is not a de Polignac number, because 3859387 - 2⁷ = 3859259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3859381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3373 + ... + 4369.

It is an arithmetic number, because the mean of its divisors is an integer number (379240).

Almost surely, 2^3859387 is an apocalyptic number.

3859387 is a deficient number, since it is larger than the sum of its proper divisors (691493).

3859387 is an equidigital number, since it uses as much as digits as its factorization.

3859387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090 (or 1083 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 3859387 is about 1964.5322598522. The cubic root of 3859387 is about 156.8577965082.

The spelling of 3859387 in words is "three million, eight hundred fifty-nine thousand, three hundred eighty-seven".