38329720 has 64 divisors (see below), whose sum is σ = 101334240. Its totient is φ = 12864000.

The previous prime is 38329717. The next prime is 38329729. The reversal of 38329720 is 2792383.

38329720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38329729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2370 + ... + 9070.

Almost surely, 2^38329720 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 38329720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50667120).

38329720 is an abundant number, since it is smaller than the sum of its proper divisors (63004520).

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

38329720 is a wasteful number, since it uses less digits than its factorization.

38329720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6736 (or 6732 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 38329720 is about 6191.1000638013. The cubic root of 38329720 is about 337.1671194288.

It can be divided in two parts, 383 and 29720, that added together give a palindrome (30103).

The spelling of 38329720 in words is "thirty-eight million, three hundred twenty-nine thousand, seven hundred twenty".