38613828 has 48 divisors (see below), whose sum is σ = 100590336. Its totient is φ = 11427360.

The previous prime is 38613823. The next prime is 38613859. The reversal of 38613828 is 82831683.

It is not an unprimeable number, because it can be changed into a prime (38613823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2275 + ... + 9077.

It is an arithmetic number, because the mean of its divisors is an integer number (2095632).

Almost surely, 2^38613828 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 38613828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50295168).

38613828 is an abundant number, since it is smaller than the sum of its proper divisors (61976508).

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

38613828 is a wasteful number, since it uses less digits than its factorization.

38613828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6864 (or 6862 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 38613828 is about 6214.0025748305. The cubic root of 38613828 is about 337.9981209704.

The spelling of 38613828 in words is "thirty-eight million, six hundred thirteen thousand, eight hundred twenty-eight".