38871957 has 8 divisors (see below), whose sum is σ = 53034784. Its totient is φ = 25311888.

The previous prime is 38871947. The next prime is 38871983. The reversal of 38871957 is 75917883.

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

It is not a de Polignac number, because 38871957 - 2¹⁶ = 38806421 is a prime.

It is a super-2 number, since 2×38871957² = 3022058082019698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38871947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150538 + ... + 150795.

It is an arithmetic number, because the mean of its divisors is an integer number (6629348).

Almost surely, 2^38871957 is an apocalyptic number.

It is an amenable number.

38871957 is a deficient number, since it is larger than the sum of its proper divisors (14162827).

38871957 is a wasteful number, since it uses less digits than its factorization.

38871957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301379.

The product of its digits is 423360, while the sum is 48.

The square root of 38871957 is about 6234.7379255266. The cubic root of 38871957 is about 338.7496084381.

The spelling of 38871957 in words is "thirty-eight million, eight hundred seventy-one thousand, nine hundred fifty-seven".