38066643 has 12 divisors (see below), whose sum is σ = 55082040. Its totient is φ = 25333056.

The previous prime is 38066627. The next prime is 38066657. The reversal of 38066643 is 34666083.

38066643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38066643 - 2⁴ = 38066627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38066598 and 38066607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38066603) 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 11 ways as a sum of consecutive naturals, for example, 2155 + ... + 8987.

It is an arithmetic number, because the mean of its divisors is an integer number (4590170).

Almost surely, 2^38066643 is an apocalyptic number.

38066643 is a deficient number, since it is larger than the sum of its proper divisors (17015397).

38066643 is a wasteful number, since it uses less digits than its factorization.

38066643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7458 (or 7455 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 38066643 is about 6169.8170961545. The cubic root of 38066643 is about 336.3939628522.

The spelling of 38066643 in words is "thirty-eight million, sixty-six thousand, six hundred forty-three".