38066811 has 4 divisors (see below), whose sum is σ = 50755752. Its totient is φ = 25377872.

The previous prime is 38066803. The next prime is 38066827. The reversal of 38066811 is 11866083.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38066811 - 2³ = 38066803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38066801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6344466 + ... + 6344471.

It is an arithmetic number, because the mean of its divisors is an integer number (12688938).

Almost surely, 2^38066811 is an apocalyptic number.

38066811 is a deficient number, since it is larger than the sum of its proper divisors (12688941).

38066811 is a wasteful number, since it uses less digits than its factorization.

38066811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12688940.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 38066811 is about 6169.8307108056. The cubic root of 38066811 is about 336.3944577220.

The spelling of 38066811 in words is "thirty-eight million, sixty-six thousand, eight hundred eleven".