3673685 has 4 divisors (see below), whose sum is σ = 4408428. Its totient is φ = 2938944.

The previous prime is 3673651. The next prime is 3673687. The reversal of 3673685 is 5863763.

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 844561 + 2829124 = 919^2 + 1682^2 .

It is a cyclic number.

It is not a de Polignac number, because 3673685 - 2⁸ = 3673429 is a prime.

It is a super-2 number, since 2×3673685² = 26991922958450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3673687) 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, 367364 + ... + 367373.

It is an arithmetic number, because the mean of its divisors is an integer number (1102107).

Almost surely, 2^3673685 is an apocalyptic number.

It is an amenable number.

3673685 is a deficient number, since it is larger than the sum of its proper divisors (734743).

3673685 is an equidigital number, since it uses as much as digits as its factorization.

3673685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734742.

The product of its digits is 90720, while the sum is 38.

The square root of 3673685 is about 1916.6859419321. The cubic root of 3673685 is about 154.3004899217.

It can be divided in two parts, 3 and 673685, that multiplied together give a triangular number (2021055 = T₂₀₁₀).

The spelling of 3673685 in words is "three million, six hundred seventy-three thousand, six hundred eighty-five".