38839800 has 96 divisors (see below), whose sum is σ = 126777600. Its totient is φ = 9809280.

The previous prime is 38839799. The next prime is 38839811. The reversal of 38839800 is 893883.

It is a happy number.

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, 9697 + ... + 13103.

It is an arithmetic number, because the mean of its divisors is an integer number (1320600).

Almost surely, 2^38839800 is an apocalyptic number.

38839800 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 38839800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63388800).

38839800 is an abundant number, since it is smaller than the sum of its proper divisors (87937800).

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

38839800 is a wasteful number, since it uses less digits than its factorization.

38839800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3445 (or 3436 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 38839800 is about 6232.1585345689. The cubic root of 38839800 is about 338.6561719594.

The spelling of 38839800 in words is "thirty-eight million, eight hundred thirty-nine thousand, eight hundred".