3529685 has 4 divisors (see below), whose sum is σ = 4235628. Its totient is φ = 2823744.

The previous prime is 3529657. The next prime is 3529703. The reversal of 3529685 is 5869253.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5869253 = 13 ⋅451481.

It can be written as a sum of positive squares in 2 ways, for example, as 2365444 + 1164241 = 1538^2 + 1079^2 .

It is a cyclic number.

It is not a de Polignac number, because 3529685 - 2⁶ = 3529621 is a prime.

It is a Duffinian number.

It is a congruent 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, 352964 + ... + 352973.

It is an arithmetic number, because the mean of its divisors is an integer number (1058907).

Almost surely, 2^3529685 is an apocalyptic number.

It is an amenable number.

3529685 is a deficient number, since it is larger than the sum of its proper divisors (705943).

3529685 is an equidigital number, since it uses as much as digits as its factorization.

3529685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705942.

The product of its digits is 64800, while the sum is 38.

The square root of 3529685 is about 1878.7455921439. The cubic root of 3529685 is about 152.2574842880.

The spelling of 3529685 in words is "three million, five hundred twenty-nine thousand, six hundred eighty-five".