3438665 has 8 divisors (see below), whose sum is σ = 4183368. Its totient is φ = 2712960.

The previous prime is 3438649. The next prime is 3438671. The reversal of 3438665 is 5668343.

It can be written as a sum of positive squares in 4 ways, for example, as 238144 + 3200521 = 488^2 + 1789^2 .

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

It is not a de Polignac number, because 3438665 - 2⁴ = 3438649 is a prime.

It is a d-powerful number, because it can be written as 3⁹ + 4³ + 3¹⁰ + 8³ + 6⁸ + 6⁸ + 5³ .

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4346 + ... + 5075.

It is an arithmetic number, because the mean of its divisors is an integer number (522921).

Almost surely, 2^3438665 is an apocalyptic number.

It is an amenable number.

3438665 is a deficient number, since it is larger than the sum of its proper divisors (744703).

3438665 is an equidigital number, since it uses as much as digits as its factorization.

3438665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9499.

The product of its digits is 51840, while the sum is 35.

The square root of 3438665 is about 1854.3637722950. The cubic root of 3438665 is about 150.9373159112.

The spelling of 3438665 in words is "three million, four hundred thirty-eight thousand, six hundred sixty-five".