3686046 has 64 divisors (see below), whose sum is σ = 9343488. Its totient is φ = 943488.

The previous prime is 3686029. The next prime is 3686063. The reversal of 3686046 is 6406863.

It is an interprime number because it is at equal distance from previous prime (3686029) and next prime (3686063).

It is a super-2 number, since 2×3686046² = 27173870228232, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3685998 and 3686016.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 23400 + ... + 23556.

It is an arithmetic number, because the mean of its divisors is an integer number (145992).

Almost surely, 2^3686046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3686046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4671744).

3686046 is an abundant number, since it is smaller than the sum of its proper divisors (5657442).

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

3686046 is a wasteful number, since it uses less digits than its factorization.

3686046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 3686046 is about 1919.9078102867. The cubic root of 3686046 is about 154.4733565979.

The spelling of 3686046 in words is "three million, six hundred eighty-six thousand, forty-six".