38433738 has 48 divisors (see below), whose sum is σ = 92323584. Its totient is φ = 10624320.

The previous prime is 38433709. The next prime is 38433743. The reversal of 38433738 is 83733483.

38433738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 38433696 and 38433705.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 7006 + ... + 11222.

It is an arithmetic number, because the mean of its divisors is an integer number (1923408).

Almost surely, 2^38433738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38433738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46161792).

38433738 is an abundant number, since it is smaller than the sum of its proper divisors (53889846).

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

38433738 is a wasteful number, since it uses less digits than its factorization.

38433738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4267 (or 4260 counting only the distinct ones).

The product of its digits is 145152, while the sum is 39.

The square root of 38433738 is about 6199.4949794318. The cubic root of 38433738 is about 337.4718418209.

The spelling of 38433738 in words is "thirty-eight million, four hundred thirty-three thousand, seven hundred thirty-eight".