3685136 has 40 divisors (see below), whose sum is σ = 8791104. Its totient is φ = 1457280.

The previous prime is 3685133. The next prime is 3685147. The reversal of 3685136 is 6315863.

It is not an unprimeable number, because it can be changed into a prime (3685133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191 + ... + 2721.

Almost surely, 2^3685136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3685136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4395552).

3685136 is an abundant number, since it is smaller than the sum of its proper divisors (5105968).

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

3685136 is a wasteful number, since it uses less digits than its factorization.

3685136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2559 (or 2553 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 3685136 is about 1919.6708051122. The cubic root of 3685136 is about 154.4606435784.

The spelling of 3685136 in words is "three million, six hundred eighty-five thousand, one hundred thirty-six".