38643038 has 16 divisors (see below), whose sum is σ = 66670944. Its totient is φ = 16454880.

The previous prime is 38643037. The next prime is 38643047. The reversal of 38643038 is 83034683.

It is a junction number, because it is equal to n+sod(n) for n = 38642989 and 38643007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38643037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6593 + ... + 10988.

It is an arithmetic number, because the mean of its divisors is an integer number (4166934).

Almost surely, 2^38643038 is an apocalyptic number.

38643038 is a deficient number, since it is larger than the sum of its proper divisors (28027906).

38643038 is a wasteful number, since it uses less digits than its factorization.

38643038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17747.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 38643038 is about 6216.3524674844. The cubic root of 38643038 is about 338.0833273775.

The spelling of 38643038 in words is "thirty-eight million, six hundred forty-three thousand, thirty-eight".