3828565 has 8 divisors (see below), whose sum is σ = 4947768. Its totient is φ = 2827200.

The previous prime is 3828523. The next prime is 3828571. The reversal of 3828565 is 5658283.

It can be written as a sum of positive squares in 4 ways, for example, as 88209 + 3740356 = 297^2 + 1934^2 .

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

It is not a de Polignac number, because 3828565 - 2⁷ = 3828437 is a prime.

It is a d-powerful number, because it can be written as 3¹³ + 8³ + 2⁵ + 8³ + 5³ + 6⁷ + 5⁹ .

It is a Duffinian number.

3828565 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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, 29386 + ... + 29515.

It is an arithmetic number, because the mean of its divisors is an integer number (618471).

Almost surely, 2^3828565 is an apocalyptic number.

It is an amenable number.

3828565 is a deficient number, since it is larger than the sum of its proper divisors (1119203).

3828565 is a wasteful number, since it uses less digits than its factorization.

3828565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58919.

The product of its digits is 57600, while the sum is 37.

The square root of 3828565 is about 1956.6719193569. The cubic root of 3828565 is about 156.4391118227.

The spelling of 3828565 in words is "three million, eight hundred twenty-eight thousand, five hundred sixty-five".