38442756 has 48 divisors (see below), whose sum is σ = 98461440. Its totient is φ = 11577120.

The previous prime is 38442751. The next prime is 38442779. The reversal of 38442756 is 65724483.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (38442751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22815 + ... + 24441.

It is an arithmetic number, because the mean of its divisors is an integer number (2051280).

Almost surely, 2^38442756 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 38442756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49230720).

38442756 is an abundant number, since it is smaller than the sum of its proper divisors (60018684).

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

38442756 is a wasteful number, since it uses less digits than its factorization.

38442756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824 (or 1822 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 38442756 is about 6200.2222540809. Note that the first 4 decimals coincide. The cubic root of 38442756 is about 337.4982342843.

It can be divided in two parts, 384427 and 56, that added together give a palindrome (384483).

The spelling of 38442756 in words is "thirty-eight million, four hundred forty-two thousand, seven hundred fifty-six".