38117871 has 40 divisors (see below), whose sum is σ = 62726400. Its totient is φ = 22876560.

The previous prime is 38117869. The next prime is 38117897. The reversal of 38117871 is 17871183.

It is not a de Polignac number, because 38117871 - 2¹ = 38117869 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 (38117801) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 159370 + ... + 159608.

It is an arithmetic number, because the mean of its divisors is an integer number (1568160).

Almost surely, 2^38117871 is an apocalyptic number.

38117871 is a deficient number, since it is larger than the sum of its proper divisors (24608529).

38117871 is a wasteful number, since it uses less digits than its factorization.

38117871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 432 counting only the distinct ones).

The product of its digits is 9408, while the sum is 36.

The square root of 38117871 is about 6173.9672010791. The cubic root of 38117871 is about 336.5447953924.

The spelling of 38117871 in words is "thirty-eight million, one hundred seventeen thousand, eight hundred seventy-one".