3685236 has 12 divisors (see below), whose sum is σ = 8598912. Its totient is φ = 1228408.

The previous prime is 3685219. The next prime is 3685247. The reversal of 3685236 is 6325863.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 3685197 and 3685206.

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, 153540 + ... + 153563.

It is an arithmetic number, because the mean of its divisors is an integer number (716576).

Almost surely, 2^3685236 is an apocalyptic number.

It is an amenable number.

3685236 is an abundant number, since it is smaller than the sum of its proper divisors (4913676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3685236 is a wasteful number, since it uses less digits than its factorization.

3685236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307110 (or 307108 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 3685236 is about 1919.6968510679. The cubic root of 3685236 is about 154.4620407159.

The spelling of 3685236 in words is "three million, six hundred eighty-five thousand, two hundred thirty-six".