38040534 has 48 divisors (see below), whose sum is σ = 97244160. Its totient is φ = 10517040.

The previous prime is 38040521. The next prime is 38040571. The reversal of 38040534 is 43504083.

It is a happy number.

38040534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 38040498 and 38040507.

It is a congruent number.

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, 964 + ... + 8775.

It is an arithmetic number, because the mean of its divisors is an integer number (2025920).

Almost surely, 2^38040534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38040534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48622080).

38040534 is an abundant number, since it is smaller than the sum of its proper divisors (59203626).

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

38040534 is a wasteful number, since it uses less digits than its factorization.

38040534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9785 (or 9782 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 38040534 is about 6167.7008682328. The cubic root of 38040534 is about 336.3170370711.

The spelling of 38040534 in words is "thirty-eight million, forty thousand, five hundred thirty-four".