38442871 has 16 divisors (see below), whose sum is σ = 42184800. Its totient is φ = 34905600.

The previous prime is 38442857. The next prime is 38442881. The reversal of 38442871 is 17824483.

It is a cyclic number.

It is not a de Polignac number, because 38442871 - 2⁵ = 38442839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38442871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38442841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47115 + ... + 47923.

It is an arithmetic number, because the mean of its divisors is an integer number (2636550).

Almost surely, 2^38442871 is an apocalyptic number.

38442871 is a deficient number, since it is larger than the sum of its proper divisors (3741929).

38442871 is a wasteful number, since it uses less digits than its factorization.

38442871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930.

The product of its digits is 43008, while the sum is 37.

The square root of 38442871 is about 6200.2315279351. The cubic root of 38442871 is about 337.4985708216.

The spelling of 38442871 in words is "thirty-eight million, four hundred forty-two thousand, eight hundred seventy-one".