38782163 has 8 divisors (see below), whose sum is σ = 46249728. Its totient is φ = 31796424.

The previous prime is 38782129. The next prime is 38782169. The reversal of 38782163 is 36128783.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 38782163 - 2¹² = 38778067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38782169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120281 + ... + 120602.

It is an arithmetic number, because the mean of its divisors is an integer number (5781216).

Almost surely, 2^38782163 is an apocalyptic number.

38782163 is a deficient number, since it is larger than the sum of its proper divisors (7467565).

38782163 is a wasteful number, since it uses less digits than its factorization.

38782163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240913.

The product of its digits is 48384, while the sum is 38.

The square root of 38782163 is about 6227.5326574816. The cubic root of 38782163 is about 338.4885707788.

The spelling of 38782163 in words is "thirty-eight million, seven hundred eighty-two thousand, one hundred sixty-three".