3800655738 has 144 divisors (see below), whose sum is σ = 9425235456. Its totient is φ = 1104840000.

The previous prime is 3800655731. The next prime is 3800655743. The reversal of 3800655738 is 8375560083.

It is a junction number, because it is equal to n+sod(n) for n = 3800655693 and 3800655702.

It is not an unprimeable number, because it can be changed into a prime (3800655731) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 12220603 + ... + 12220913.

It is an arithmetic number, because the mean of its divisors is an integer number (65453024).

Almost surely, 2^3800655738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3800655738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4712617728).

3800655738 is an abundant number, since it is smaller than the sum of its proper divisors (5624579718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3800655738 is a wasteful number, since it uses less digits than its factorization.

3800655738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 3800655738 is about 61649.4585377682. The cubic root of 3800655738 is about 1560.5805063421.

The spelling of 3800655738 in words is "three billion, eight hundred million, six hundred fifty-five thousand, seven hundred thirty-eight".