3800863720 has 32 divisors (see below), whose sum is σ = 8562880800. Its totient is φ = 1518401088.

The previous prime is 3800863691. The next prime is 3800863751. The reversal of 3800863720 is 273680083.

It is a self number, because there is not a number n which added to its sum of digits gives 3800863720.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28890 + ... + 91849.

It is an arithmetic number, because the mean of its divisors is an integer number (267590025).

Almost surely, 2^3800863720 is an apocalyptic number.

It is an amenable number.

3800863720 is an abundant number, since it is smaller than the sum of its proper divisors (4762017080).

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

3800863720 is a wasteful number, since it uses less digits than its factorization.

3800863720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121537 (or 121533 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 3800863720 is about 61651.1453259386. The cubic root of 3800863720 is about 1560.6089721961.

The spelling of 3800863720 in words is "three billion, eight hundred million, eight hundred sixty-three thousand, seven hundred twenty".