38827971 has 32 divisors (see below), whose sum is σ = 70801920. Its totient is φ = 20479392.

The previous prime is 38827961. The next prime is 38827973. The reversal of 38827971 is 17972883.

38827971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38827971 - 2¹⁰ = 38826947 is a prime.

It is a super-2 number, since 2×38827971² = 3015222663953682, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38827973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5445 + ... + 10358.

It is an arithmetic number, because the mean of its divisors is an integer number (2212560).

Almost surely, 2^38827971 is an apocalyptic number.

38827971 is a deficient number, since it is larger than the sum of its proper divisors (31973949).

38827971 is a wasteful number, since it uses less digits than its factorization.

38827971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15832 (or 15826 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 38827971 is about 6231.2094331679. The cubic root of 38827971 is about 338.6217882378.

The spelling of 38827971 in words is "thirty-eight million, eight hundred twenty-seven thousand, nine hundred seventy-one".