38434636 has 12 divisors (see below), whose sum is σ = 68363680. Its totient is φ = 18902160.

The previous prime is 38434609. The next prime is 38434639. The reversal of 38434636 is 63643483.

38434636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 38434595 and 38434604.

It is not an unprimeable number, because it can be changed into a prime (38434639) 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, 78516 + ... + 79003.

Almost surely, 2^38434636 is an apocalyptic number.

It is an amenable number.

38434636 is a deficient number, since it is larger than the sum of its proper divisors (29929044).

38434636 is a wasteful number, since it uses less digits than its factorization.

38434636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157584 (or 157582 counting only the distinct ones).

The product of its digits is 124416, while the sum is 37.

The square root of 38434636 is about 6199.5674042630. The cubic root of 38434636 is about 337.4744701311.

The spelling of 38434636 in words is "thirty-eight million, four hundred thirty-four thousand, six hundred thirty-six".