3873193644 has 24 divisors (see below), whose sum is σ = 9060695280. Its totient is φ = 1287744064.

The previous prime is 3873193613. The next prime is 3873193651. The reversal of 3873193644 is 4463913783.

It is a junction number, because it is equal to n+sod(n) for n = 3873193593 and 3873193602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410199 + ... + 419534.

It is an arithmetic number, because the mean of its divisors is an integer number (377528970).

Almost surely, 2^3873193644 is an apocalyptic number.

It is an amenable number.

3873193644 is an abundant number, since it is smaller than the sum of its proper divisors (5187501636).

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

3873193644 is a wasteful number, since it uses less digits than its factorization.

3873193644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830129 (or 830127 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 48.

The square root of 3873193644 is about 62234.9872981428. The cubic root of 3873193644 is about 1570.4462258195.

The spelling of 3873193644 in words is "three billion, eight hundred seventy-three million, one hundred ninety-three thousand, six hundred forty-four".