38790866 has 8 divisors (see below), whose sum is σ = 58701564. Its totient is φ = 19223680.

The previous prime is 38790847. The next prime is 38790901. The reversal of 38790866 is 66809783.

It can be written as a sum of positive squares in 2 ways, for example, as 32160241 + 6630625 = 5671^2 + 2575^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 38790866.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85595 + ... + 86046.

Almost surely, 2^38790866 is an apocalyptic number.

38790866 is a deficient number, since it is larger than the sum of its proper divisors (19910698).

38790866 is a wasteful number, since it uses less digits than its factorization.

38790866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171756.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 38790866 is about 6228.2313701403. The cubic root of 38790866 is about 338.5138886524.

The spelling of 38790866 in words is "thirty-eight million, seven hundred ninety thousand, eight hundred sixty-six".