38955816 has 96 divisors (see below), whose sum is σ = 113349600. Its totient is φ = 12519360.

The previous prime is 38955797. The next prime is 38955817. The reversal of 38955816 is 61855983.

38955816 is a `hidden beast` number, since 3 + 89 + 558 + 16 = 666.

It is not an unprimeable number, because it can be changed into a prime (38955817) 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 23 ways as a sum of consecutive naturals, for example, 56031 + ... + 56721.

It is an arithmetic number, because the mean of its divisors is an integer number (1180725).

Almost surely, 2^38955816 is an apocalyptic number.

38955816 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38955816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56674800).

38955816 is an abundant number, since it is smaller than the sum of its proper divisors (74393784).

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

38955816 is a wasteful number, since it uses less digits than its factorization.

38955816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741 (or 725 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 38955816 is about 6241.4594447132. The cubic root of 38955816 is about 338.9930298512.

The spelling of 38955816 in words is "thirty-eight million, nine hundred fifty-five thousand, eight hundred sixteen".