3842188805 has 24 divisors (see below), whose sum is σ = 5705805312. Its totient is φ = 2431975104.

The previous prime is 3842188799. The next prime is 3842188841. The reversal of 3842188805 is 5088812483.

It is not a de Polignac number, because 3842188805 - 2⁴ = 3842188789 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3842188805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 318869 + ... + 330698.

It is an arithmetic number, because the mean of its divisors is an integer number (237741888).

Almost surely, 2^3842188805 is an apocalyptic number.

3842188805 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3842188805 is a deficient number, since it is larger than the sum of its proper divisors (1863616507).

3842188805 is a wasteful number, since it uses less digits than its factorization.

3842188805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649605 (or 649592 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 47.

The square root of 3842188805 is about 61985.3918677619. The cubic root of 3842188805 is about 1566.2445305749.

The spelling of 3842188805 in words is "three billion, eight hundred forty-two million, one hundred eighty-eight thousand, eight hundred five".