3687634 has 16 divisors (see below), whose sum is σ = 5935680. Its totient is φ = 1712880.

The previous prime is 3687631. The next prime is 3687683. The reversal of 3687634 is 4367863.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3687593 and 3687602.

It is not an unprimeable number, because it can be changed into a prime (3687631) 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, 1099 + ... + 2929.

It is an arithmetic number, because the mean of its divisors is an integer number (370980).

Almost surely, 2^3687634 is an apocalyptic number.

3687634 is a deficient number, since it is larger than the sum of its proper divisors (2248046).

3687634 is a wasteful number, since it uses less digits than its factorization.

3687634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905.

The product of its digits is 72576, while the sum is 37.

The square root of 3687634 is about 1920.3213272783. The cubic root of 3687634 is about 154.4955365049.

The spelling of 3687634 in words is "three million, six hundred eighty-seven thousand, six hundred thirty-four".