38705056 has 72 divisors (see below), whose sum is σ = 87574284. Its totient is φ = 16773120.

The previous prime is 38705041. The next prime is 38705059. The reversal of 38705056 is 65050783.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1299600 + 37405456 = 1140^2 + 6116^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (38705059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91726 + ... + 92146.

Almost surely, 2^38705056 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 38705056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43787142).

38705056 is an abundant number, since it is smaller than the sum of its proper divisors (48869228).

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

38705056 is a wasteful number, since it uses less digits than its factorization.

38705056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 38705056 is about 6221.3387626780. The cubic root of 38705056 is about 338.2640934019.

The spelling of 38705056 in words is "thirty-eight million, seven hundred five thousand, fifty-six".