3706217 has 4 divisors (see below), whose sum is σ = 3711060. Its totient is φ = 3701376.

The previous prime is 3706201. The next prime is 3706247. The reversal of 3706217 is 7126073.

3706217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7126073 = 157 ⋅45389.

It can be written as a sum of positive squares in 2 ways, for example, as 2128681 + 1577536 = 1459^2 + 1256^2 .

It is a cyclic number.

It is not a de Polignac number, because 3706217 - 2⁴ = 3706201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3706247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 992 + ... + 2897.

It is an arithmetic number, because the mean of its divisors is an integer number (927765).

Almost surely, 2^3706217 is an apocalyptic number.

It is an amenable number.

3706217 is a deficient number, since it is larger than the sum of its proper divisors (4843).

3706217 is an equidigital number, since it uses as much as digits as its factorization.

3706217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4842.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 3706217 is about 1925.1537600929. The cubic root of 3706217 is about 154.7546169379.

The spelling of 3706217 in words is "three million, seven hundred six thousand, two hundred seventeen".