3686373 has 6 divisors (see below), whose sum is σ = 5324774. Its totient is φ = 2457576.

The previous prime is 3686369. The next prime is 3686383. The reversal of 3686373 is 3736863.

It can be written as a sum of positive squares in only one way, i.e., 1896129 + 1790244 = 1377^2 + 1338^2 .

It is not a de Polignac number, because 3686373 - 2² = 3686369 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3686383) 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, 204790 + ... + 204807.

Almost surely, 2^3686373 is an apocalyptic number.

It is an amenable number.

3686373 is a deficient number, since it is larger than the sum of its proper divisors (1638401).

3686373 is a wasteful number, since it uses less digits than its factorization.

3686373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409603 (or 409600 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 3686373 is about 1919.9929687371. The cubic root of 3686373 is about 154.4779243917.

The spelling of 3686373 in words is "three million, six hundred eighty-six thousand, three hundred seventy-three".