3680637 has 8 divisors (see below), whose sum is σ = 4917504. Its totient is φ = 2448768.

The previous prime is 3680627. The next prime is 3680639. The reversal of 3680637 is 7360863.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3680637 - 2¹¹ = 3678589 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 3680598 and 3680607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3680639) 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, 1108 + ... + 2930.

It is an arithmetic number, because the mean of its divisors is an integer number (614688).

Almost surely, 2^3680637 is an apocalyptic number.

It is an amenable number.

3680637 is a deficient number, since it is larger than the sum of its proper divisors (1236867).

3680637 is a wasteful number, since it uses less digits than its factorization.

3680637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 3680637 is about 1918.4986317431. The cubic root of 3680637 is about 154.3977601982.

The spelling of 3680637 in words is "three million, six hundred eighty thousand, six hundred thirty-seven".