3869039 has 4 divisors (see below), whose sum is σ = 3909024. Its totient is φ = 3829056.

The previous prime is 3869029. The next prime is 3869051. The reversal of 3869039 is 9309683.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9309683 = 647 ⋅14389.

It is a cyclic number.

It is not a de Polignac number, because 3869039 - 2⁴ = 3869023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3868993 and 3869011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3869009) 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, 19847 + ... + 20040.

It is an arithmetic number, because the mean of its divisors is an integer number (977256).

Almost surely, 2^3869039 is an apocalyptic number.

3869039 is a deficient number, since it is larger than the sum of its proper divisors (39985).

3869039 is an equidigital number, since it uses as much as digits as its factorization.

3869039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39984.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 3869039 is about 1966.9872902487. The cubic root of 3869039 is about 156.9884503384.

The spelling of 3869039 in words is "three million, eight hundred sixty-nine thousand, thirty-nine".