38338636 has 24 divisors (see below), whose sum is σ = 76839840. Its totient is φ = 16396032.

The previous prime is 38338627. The next prime is 38338639. The reversal of 38338636 is 63683383.

It is a happy number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (38338639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15450 + ... + 17758.

It is an arithmetic number, because the mean of its divisors is an integer number (3201660).

Almost surely, 2^38338636 is an apocalyptic number.

It is an amenable number.

38338636 is an abundant number, since it is smaller than the sum of its proper divisors (38501204).

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

38338636 is a wasteful number, since it uses less digits than its factorization.

38338636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913 (or 2911 counting only the distinct ones).

The product of its digits is 186624, while the sum is 40.

The square root of 38338636 is about 6191.8200878255. The cubic root of 38338636 is about 337.1932605796.

The spelling of 38338636 in words is "thirty-eight million, three hundred thirty-eight thousand, six hundred thirty-six".