38396636 has 6 divisors (see below), whose sum is σ = 67194120. Its totient is φ = 19198316.

The previous prime is 38396599. The next prime is 38396651. The reversal of 38396636 is 63669383.

It is a happy number.

38396636 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 2×38396636² = 2948603312232992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4799576 + ... + 4799583.

It is an arithmetic number, because the mean of its divisors is an integer number (11199020).

Almost surely, 2^38396636 is an apocalyptic number.

It is an amenable number.

38396636 is a deficient number, since it is larger than the sum of its proper divisors (28797484).

38396636 is a wasteful number, since it uses less digits than its factorization.

38396636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9599163 (or 9599161 counting only the distinct ones).

The product of its digits is 419904, while the sum is 44.

The square root of 38396636 is about 6196.5019164041. The cubic root of 38396636 is about 337.3632140709.

The spelling of 38396636 in words is "thirty-eight million, three hundred ninety-six thousand, six hundred thirty-six".