38030784 has 84 divisors (see below), whose sum is σ = 110669832. Its totient is φ = 11517440.

The previous prime is 38030779. The next prime is 38030873. The reversal of 38030784 is 48703083.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22414 + ... + 24050.

It is an arithmetic number, because the mean of its divisors is an integer number (1317498).

Almost surely, 2^38030784 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 38030784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55334916).

38030784 is an abundant number, since it is smaller than the sum of its proper divisors (72639048).

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

38030784 is a wasteful number, since it uses less digits than its factorization.

38030784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674 (or 1653 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 38030784 is about 6166.9104095973. The cubic root of 38030784 is about 336.2883013081.

The spelling of 38030784 in words is "thirty-eight million, thirty thousand, seven hundred eighty-four".