3685212 has 18 divisors (see below), whose sum is σ = 9315488. Its totient is φ = 1228392.

The previous prime is 3685211. The next prime is 3685219. The reversal of 3685212 is 2125863.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3685211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51148 + ... + 51219.

Almost surely, 2^3685212 is an apocalyptic number.

It is an amenable number.

3685212 is an abundant number, since it is smaller than the sum of its proper divisors (5630276).

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

3685212 is a wasteful number, since it uses less digits than its factorization.

3685212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102377 (or 102372 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 3685212 is about 1919.6906000708. The cubic root of 3685212 is about 154.4617054052.

It can be divided in two parts, 36852 and 12, that added together give a square (36864 = 192²).

The spelling of 3685212 in words is "three million, six hundred eighty-five thousand, two hundred twelve".