38863399 has 4 divisors (see below), whose sum is σ = 40553136. Its totient is φ = 37173664.

The previous prime is 38863387. The next prime is 38863403. The reversal of 38863399 is 99336883.

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 38863399 - 2¹¹ = 38861351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38869399) 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, 844834 + ... + 844879.

It is an arithmetic number, because the mean of its divisors is an integer number (10138284).

Almost surely, 2^38863399 is an apocalyptic number.

38863399 is a deficient number, since it is larger than the sum of its proper divisors (1689737).

38863399 is a wasteful number, since it uses less digits than its factorization.

38863399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689736.

The product of its digits is 839808, while the sum is 49.

The square root of 38863399 is about 6234.0515718111. The cubic root of 38863399 is about 338.7247470543.

The spelling of 38863399 in words is "thirty-eight million, eight hundred sixty-three thousand, three hundred ninety-nine".