38645208 has 128 divisors (see below), whose sum is σ = 124992000. Its totient is φ = 10834560.

The previous prime is 38645207. The next prime is 38645213. The reversal of 38645208 is 80254683.

38645208 is a `hidden beast` number, since 3 + 8 + 645 + 2 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38645207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92023 + ... + 92441.

It is an arithmetic number, because the mean of its divisors is an integer number (976500).

Almost surely, 2^38645208 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 38645208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62496000).

38645208 is an abundant number, since it is smaller than the sum of its proper divisors (86346792).

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

38645208 is a wasteful number, since it uses less digits than its factorization.

38645208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 38645208 is about 6216.5270046868. The cubic root of 38645208 is about 338.0896556161.

The spelling of 38645208 in words is "thirty-eight million, six hundred forty-five thousand, two hundred eight".