38513871 has 12 divisors (see below), whose sum is σ = 60688680. Its totient is φ = 23341680.

The previous prime is 38513837. The next prime is 38513897. The reversal of 38513871 is 17831583.

It is not a de Polignac number, because 38513871 - 2¹³ = 38505679 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38513831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194416 + ... + 194613.

It is an arithmetic number, because the mean of its divisors is an integer number (5057390).

Almost surely, 2^38513871 is an apocalyptic number.

38513871 is a deficient number, since it is larger than the sum of its proper divisors (22174809).

38513871 is a wasteful number, since it uses less digits than its factorization.

38513871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389046 (or 389043 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 38513871 is about 6205.9544793690. The cubic root of 38513871 is about 337.7062180047.

The spelling of 38513871 in words is "thirty-eight million, five hundred thirteen thousand, eight hundred seventy-one".