389500800 has 192 divisors, whose sum is σ = 1382046960. Its totient is φ = 95846400.

The previous prime is 389500759. The next prime is 389500849. The reversal of 389500800 is 8005983.

It is a tau number, because it is divible by the number of its divisors (192).

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, 123240 + ... + 126360.

Almost surely, 2^389500800 is an apocalyptic number.

389500800 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389500800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691023480).

389500800 is an abundant number, since it is smaller than the sum of its proper divisors (992546160).

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

389500800 is a wasteful number, since it uses less digits than its factorization.

389500800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3161 (or 3144 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 389500800 is about 19735.7746237638. The cubic root of 389500800 is about 730.3024955148.

The spelling of 389500800 in words is "three hundred eighty-nine million, five hundred thousand, eight hundred".