3461665 has 4 divisors (see below), whose sum is σ = 4154004. Its totient is φ = 2769328.

The previous prime is 3461663. The next prime is 3461687. The reversal of 3461665 is 5661643.

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 1926544 + 1535121 = 1388^2 + 1239^2 .

It is a cyclic number.

It is not a de Polignac number, because 3461665 - 2¹ = 3461663 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

3461665 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3461663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346162 + ... + 346171.

It is an arithmetic number, because the mean of its divisors is an integer number (1038501).

Almost surely, 2^3461665 is an apocalyptic number.

It is an amenable number.

3461665 is a deficient number, since it is larger than the sum of its proper divisors (692339).

3461665 is an equidigital number, since it uses as much as digits as its factorization.

3461665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692338.

The product of its digits is 12960, while the sum is 31.

The square root of 3461665 is about 1860.5550247171. Note that the first 3 decimals coincide. The cubic root of 3461665 is about 151.2730902981.

The spelling of 3461665 in words is "three million, four hundred sixty-one thousand, six hundred sixty-five".