3800660638 has 16 divisors (see below), whose sum is σ = 5760046080. Its totient is φ = 1880739000.

The previous prime is 3800660629. The next prime is 3800660659. The reversal of 3800660638 is 8360660083.

It is a self number, because there is not a number n which added to its sum of digits gives 3800660638.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58623 + ... + 105061.

It is an arithmetic number, because the mean of its divisors is an integer number (360002880).

Almost surely, 2^3800660638 is an apocalyptic number.

3800660638 is a deficient number, since it is larger than the sum of its proper divisors (1959385442).

3800660638 is a wasteful number, since it uses less digits than its factorization.

3800660638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46863.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 3800660638 is about 61649.4982785748. The cubic root of 3800660638 is about 1560.5811770019.

The spelling of 3800660638 in words is "three billion, eight hundred million, six hundred sixty thousand, six hundred thirty-eight".