38860938 has 64 divisors (see below), whose sum is σ = 91653120. Its totient is φ = 12179376.

The previous prime is 38860937. The next prime is 38861003. The reversal of 38860938 is 83906883.

38860938 is a `hidden beast` number, since 3 + 8 + 8 + 609 + 38 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 38860893 and 38860902.

It is not an unprimeable number, because it can be changed into a prime (38860931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82981 + ... + 83447.

It is an arithmetic number, because the mean of its divisors is an integer number (1432080).

Almost surely, 2^38860938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38860938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45826560).

38860938 is an abundant number, since it is smaller than the sum of its proper divisors (52792182).

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

38860938 is a wasteful number, since it uses less digits than its factorization.

38860938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 38860938 is about 6233.8541850127. The cubic root of 38860938 is about 338.7175970604.

The spelling of 38860938 in words is "thirty-eight million, eight hundred sixty thousand, nine hundred thirty-eight".