3889394800 has 30 divisors (see below), whose sum is σ = 9344271968. Its totient is φ = 1555757760.

The previous prime is 3889394779. The next prime is 3889394801. The reversal of 3889394800 is 84939883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3889394801) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4861344 + ... + 4862143.

Almost surely, 2^3889394800 is an apocalyptic number.

It is an amenable number.

3889394800 is an abundant number, since it is smaller than the sum of its proper divisors (5454877168).

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

3889394800 is a wasteful number, since it uses less digits than its factorization.

3889394800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9723505 (or 9723494 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 52.

The square root of 3889394800 is about 62365.0126272736. The cubic root of 3889394800 is about 1572.6328495430.

The spelling of 3889394800 in words is "three billion, eight hundred eighty-nine million, three hundred ninety-four thousand, eight hundred".