38739384 has 80 divisors (see below), whose sum is σ = 109422720. Its totient is φ = 12804480.

The previous prime is 38739373. The next prime is 38739391. The reversal of 38739384 is 48393783.

It is a happy number.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 123612 + ... + 123924.

It is an arithmetic number, because the mean of its divisors is an integer number (1367784).

Almost surely, 2^38739384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38739384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54711360).

38739384 is an abundant number, since it is smaller than the sum of its proper divisors (70683336).

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

38739384 is a wasteful number, since it uses less digits than its factorization.

38739384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 509 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 38739384 is about 6224.0970429453. The cubic root of 38739384 is about 338.3640674085.

The spelling of 38739384 in words is "thirty-eight million, seven hundred thirty-nine thousand, three hundred eighty-four".