38725218 has 96 divisors (see below), whose sum is σ = 103109760. Its totient is φ = 10252800.

The previous prime is 38725217. The next prime is 38725223. The reversal of 38725218 is 81252783.

38725218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (38725217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 216253 + ... + 216431.

It is an arithmetic number, because the mean of its divisors is an integer number (1074060).

Almost surely, 2^38725218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38725218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51554880).

38725218 is an abundant number, since it is smaller than the sum of its proper divisors (64384542).

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

38725218 is a wasteful number, since it uses less digits than its factorization.

38725218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 309 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 38725218 is about 6222.9589424967. The cubic root of 38725218 is about 338.3228186907.

The spelling of 38725218 in words is "thirty-eight million, seven hundred twenty-five thousand, two hundred eighteen".