3696638 has 8 divisors (see below), whose sum is σ = 6049080. Its totient is φ = 1680280.

The previous prime is 3696619. The next prime is 3696643. The reversal of 3696638 is 8366963.

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

It is a junction number, because it is equal to n+sod(n) for n = 3696595 and 3696604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83993 + ... + 84036.

It is an arithmetic number, because the mean of its divisors is an integer number (756135).

Almost surely, 2^3696638 is an apocalyptic number.

3696638 is a deficient number, since it is larger than the sum of its proper divisors (2352442).

3696638 is a wasteful number, since it uses less digits than its factorization.

3696638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168042.

The product of its digits is 139968, while the sum is 41.

The square root of 3696638 is about 1922.6642972708. The cubic root of 3696638 is about 154.6211768800.

It can be divided in two parts, 3696 and 638, that added together give a palindrome (4334).

The spelling of 3696638 in words is "three million, six hundred ninety-six thousand, six hundred thirty-eight".