38910386 has 8 divisors (see below), whose sum is σ = 58967580. Its totient is φ = 19254528.

The previous prime is 38910383. The next prime is 38910397. The reversal of 38910386 is 68301983.

38910386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 37515625 + 1394761 = 6125^2 + 1181^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (38910383) 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 3 ways as a sum of consecutive naturals, for example, 100091 + ... + 100478.

Almost surely, 2^38910386 is an apocalyptic number.

38910386 is a deficient number, since it is larger than the sum of its proper divisors (20057194).

38910386 is a wasteful number, since it uses less digits than its factorization.

38910386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200668.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 38910386 is about 6237.8190098784. The cubic root of 38910386 is about 338.8612014925.

The spelling of 38910386 in words is "thirty-eight million, nine hundred ten thousand, three hundred eighty-six".