3685331 has 4 divisors (see below), whose sum is σ = 3968832. Its totient is φ = 3401832.

The previous prime is 3685327. The next prime is 3685337. The reversal of 3685331 is 1335863.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3685331 - 2² = 3685327 is a prime.

It is a super-2 number, since 2×3685331² = 27163329159122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3685294 and 3685303.

It is not an unprimeable number, because it can be changed into a prime (3685337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141731 + ... + 141756.

It is an arithmetic number, because the mean of its divisors is an integer number (992208).

Almost surely, 2^3685331 is an apocalyptic number.

3685331 is a deficient number, since it is larger than the sum of its proper divisors (283501).

3685331 is a wasteful number, since it uses less digits than its factorization.

3685331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283500.

The product of its digits is 6480, while the sum is 29.

The square root of 3685331 is about 1919.7215943985. The cubic root of 3685331 is about 154.4633679730.

The spelling of 3685331 in words is "three million, six hundred eighty-five thousand, three hundred thirty-one".