3686472 has 40 divisors (see below), whose sum is σ = 10327350. Its totient is φ = 1228608.

The previous prime is 3686447. The next prime is 3686477. The reversal of 3686472 is 2746863.

3686472 is a `hidden beast` number, since 3 + 6 + 8 + 647 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2232036 + 1454436 = 1494^2 + 1206^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (3686477) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2197 + ... + 3492.

Almost surely, 2^3686472 is an apocalyptic number.

It is an amenable number.

3686472 is an abundant number, since it is smaller than the sum of its proper divisors (6640878).

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

3686472 is a wasteful number, since it uses less digits than its factorization.

3686472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5707 (or 5694 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 3686472 is about 1920.0187499084. The cubic root of 3686472 is about 154.4793072485.

The spelling of 3686472 in words is "three million, six hundred eighty-six thousand, four hundred seventy-two".