3828665 has 8 divisors (see below), whose sum is σ = 4670088. Its totient is φ = 3012480.

The previous prime is 3828661. The next prime is 3828673. The reversal of 3828665 is 5668283.

It can be written as a sum of positive squares in 4 ways, for example, as 541696 + 3286969 = 736^2 + 1813^2 .

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

It is not a de Polignac number, because 3828665 - 2² = 3828661 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3828661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5972 + ... + 6581.

It is an arithmetic number, because the mean of its divisors is an integer number (583761).

Almost surely, 2^3828665 is an apocalyptic number.

It is an amenable number.

3828665 is a deficient number, since it is larger than the sum of its proper divisors (841423).

3828665 is a wasteful number, since it uses less digits than its factorization.

3828665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12619.

The product of its digits is 69120, while the sum is 38.

The square root of 3828665 is about 1956.6974727842. The cubic root of 3828665 is about 156.4404738452.

The spelling of 3828665 in words is "three million, eight hundred twenty-eight thousand, six hundred sixty-five".