38782863 has 18 divisors (see below), whose sum is σ = 65166504. Its totient is φ = 22161384.

The previous prime is 38782841. The next prime is 38782871. The reversal of 38782863 is 36828783.

It is not a de Polignac number, because 38782863 - 2¹² = 38778767 is a prime.

It is a super-2 number, since 2×38782863² = 3008220924953538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38782873) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 43531 + ... + 44412.

Almost surely, 2^38782863 is an apocalyptic number.

38782863 is a deficient number, since it is larger than the sum of its proper divisors (26383641).

38782863 is a wasteful number, since it uses less digits than its factorization.

38782863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87963 (or 87953 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 38782863 is about 6227.5888592617. The cubic root of 38782863 is about 338.4906072869.

The spelling of 38782863 in words is "thirty-eight million, seven hundred eighty-two thousand, eight hundred sixty-three".