38841866 has 8 divisors (see below), whose sum is σ = 66586080. Its totient is φ = 16646508.

The previous prime is 38841863. The next prime is 38841877. The reversal of 38841866 is 66814883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×38841866⁴ (a number of 31 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (38841863) 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, 1387196 + ... + 1387223.

It is an arithmetic number, because the mean of its divisors is an integer number (8323260).

Almost surely, 2^38841866 is an apocalyptic number.

38841866 is a deficient number, since it is larger than the sum of its proper divisors (27744214).

38841866 is a wasteful number, since it uses less digits than its factorization.

38841866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2774428.

The product of its digits is 221184, while the sum is 44.

The square root of 38841866 is about 6232.3242855294. The cubic root of 38841866 is about 338.6621765495.

The spelling of 38841866 in words is "thirty-eight million, eight hundred forty-one thousand, eight hundred sixty-six".