3387865 has 8 divisors (see below), whose sum is σ = 4378248. Its totient is φ = 2501760.

The previous prime is 3387863. The next prime is 3387869. The reversal of 3387865 is 5687833.

It can be written as a sum of positive squares in 4 ways, for example, as 205209 + 3182656 = 453^2 + 1784^2 .

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

It is not a de Polignac number, because 3387865 - 2¹ = 3387863 is a prime.

It is a super-2 number, since 2×3387865² = 22955258516450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3387863) 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, 25996 + ... + 26125.

It is an arithmetic number, because the mean of its divisors is an integer number (547281).

Almost surely, 2^3387865 is an apocalyptic number.

It is an amenable number.

3387865 is a deficient number, since it is larger than the sum of its proper divisors (990383).

3387865 is a wasteful number, since it uses less digits than its factorization.

3387865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52139.

The product of its digits is 120960, while the sum is 40.

The square root of 3387865 is about 1840.6153862228. The cubic root of 3387865 is about 150.1903509339.

Subtracting 3387865 from its reverse (5687833), we obtain a cube (2299968 = 132³).

The spelling of 3387865 in words is "three million, three hundred eighty-seven thousand, eight hundred sixty-five".