38798866 has 8 divisors (see below), whose sum is σ = 59771340. Its totient is φ = 18875088.

The previous prime is 38798849. The next prime is 38798869. The reversal of 38798866 is 66889783.

It can be written as a sum of positive squares in 2 ways, for example, as 28398241 + 10400625 = 5329^2 + 3225^2 .

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

It is not an unprimeable number, because it can be changed into a prime (38798869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262081 + ... + 262228.

Almost surely, 2^38798866 is an apocalyptic number.

38798866 is a deficient number, since it is larger than the sum of its proper divisors (20972474).

38798866 is a wasteful number, since it uses less digits than its factorization.

38798866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524348.

The product of its digits is 3483648, while the sum is 55.

The square root of 38798866 is about 6228.8735739297. The cubic root of 38798866 is about 338.5371580904.

The spelling of 38798866 in words is "thirty-eight million, seven hundred ninety-eight thousand, eight hundred sixty-six".