38868650 has 12 divisors (see below), whose sum is σ = 72295782. Its totient is φ = 15547440.

The previous prime is 38868649. The next prime is 38868659. The reversal of 38868650 is 5686883.

It can be written as a sum of positive squares in 3 ways, for example, as 33674809 + 5193841 = 5803^2 + 2279^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38868659) 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 5 ways as a sum of consecutive naturals, for example, 388637 + ... + 388736.

Almost surely, 2^38868650 is an apocalyptic number.

38868650 is a deficient number, since it is larger than the sum of its proper divisors (33427132).

38868650 is a wasteful number, since it uses less digits than its factorization.

38868650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777385 (or 777380 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 38868650 is about 6234.4727122669. The cubic root of 38868650 is about 338.7400018835.

The spelling of 38868650 in words is "thirty-eight million, eight hundred sixty-eight thousand, six hundred fifty".