3683705 has 4 divisors (see below), whose sum is σ = 4420452. Its totient is φ = 2946960.

The previous prime is 3683677. The next prime is 3683717. The reversal of 3683705 is 5073863.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5073863 = 31 ⋅163673.

It can be written as a sum of positive squares in 2 ways, for example, as 2393209 + 1290496 = 1547^2 + 1136^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3683705 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 368366 + ... + 368375.

It is an arithmetic number, because the mean of its divisors is an integer number (1105113).

Almost surely, 2^3683705 is an apocalyptic number.

It is an amenable number.

3683705 is a deficient number, since it is larger than the sum of its proper divisors (736747).

3683705 is an equidigital number, since it uses as much as digits as its factorization.

3683705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736746.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 3683705 is about 1919.2980487668. The cubic root of 3683705 is about 154.4406477721.

The spelling of 3683705 in words is "three million, six hundred eighty-three thousand, seven hundred five".