38860146 has 48 divisors (see below), whose sum is σ = 91990080. Its totient is φ = 11783520.

The previous prime is 38860141. The next prime is 38860189. The reversal of 38860146 is 64106883.

It is a happy number.

38860146 is a `hidden beast` number, since 3 + 8 + 8 + 601 + 46 = 666.

38860146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×38860146² = 3020221894282632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38860146.

It is not an unprimeable number, because it can be changed into a prime (38860141) 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 23 ways as a sum of consecutive naturals, for example, 15445 + ... + 17783.

It is an arithmetic number, because the mean of its divisors is an integer number (1916460).

Almost surely, 2^38860146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38860146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45995040).

38860146 is an abundant number, since it is smaller than the sum of its proper divisors (53129934).

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

38860146 is a wasteful number, since it uses less digits than its factorization.

38860146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431 (or 2428 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 38860146 is about 6233.7906605853. The cubic root of 38860146 is about 338.7152959823.

The spelling of 38860146 in words is "thirty-eight million, eight hundred sixty thousand, one hundred forty-six".