3685969 has 8 divisors (see below), whose sum is σ = 4224320. Its totient is φ = 3150576.

The previous prime is 3685963. The next prime is 3685973. The reversal of 3685969 is 9695863.

3685969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3685969 - 2¹¹ = 3683921 is a prime.

It is a super-2 number, since 2×3685969² = 27172734937922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3685963) 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 7 ways as a sum of consecutive naturals, for example, 3862 + ... + 4720.

It is an arithmetic number, because the mean of its divisors is an integer number (528040).

Almost surely, 2^3685969 is an apocalyptic number.

It is an amenable number.

3685969 is a deficient number, since it is larger than the sum of its proper divisors (538351).

3685969 is an equidigital number, since it uses as much as digits as its factorization.

3685969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479.

The product of its digits is 349920, while the sum is 46.

The square root of 3685969 is about 1919.8877571358. The cubic root of 3685969 is about 154.4722809619.

The spelling of 3685969 in words is "three million, six hundred eighty-five thousand, nine hundred sixty-nine".