4865869 has 4 divisors (see below), whose sum is σ = 4910620. Its totient is φ = 4821120.

The previous prime is 4865849. The next prime is 4865891. The reversal of 4865869 is 9685684.

4865869 = 27² + 28² + ... + 244².

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3515625 + 1350244 = 1875^2 + 1162^2 .

It is a cyclic number.

It is not a de Polignac number, because 4865869 - 2¹¹ = 4863821 is a prime.

It is a super-2 number, since 2×4865869² = 47353362250322, which contains 22 as substring.

It is a Duffinian number.

4865869 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4865849) 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, 22212 + ... + 22429.

It is an arithmetic number, because the mean of its divisors is an integer number (1227655).

Almost surely, 2^4865869 is an apocalyptic number.

It is an amenable number.

4865869 is a deficient number, since it is larger than the sum of its proper divisors (44751).

4865869 is a wasteful number, since it uses less digits than its factorization.

4865869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44750.

The product of its digits is 414720, while the sum is 46.

The square root of 4865869 is about 2205.8714831105. The cubic root of 4865869 is about 169.4546422202.

The spelling of 4865869 in words is "four million, eight hundred sixty-five thousand, eight hundred sixty-nine".