38971733 has 4 divisors (see below), whose sum is σ = 39011820. Its totient is φ = 38931648.

The previous prime is 38971711. The next prime is 38971739. The reversal of 38971733 is 33717983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33717983 = 13 ⋅2593691.

It can be written as a sum of positive squares in 2 ways, for example, as 23746129 + 15225604 = 4873^2 + 3902^2 .

It is a cyclic number.

It is not a de Polignac number, because 38971733 - 2⁸ = 38971477 is a prime.

It is a super-3 number, since 3×38971733³ (a number of 24 digits) contains 333 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 (38971739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18548 + ... + 20541.

It is an arithmetic number, because the mean of its divisors is an integer number (9752955).

Almost surely, 2^38971733 is an apocalyptic number.

It is an amenable number.

38971733 is a deficient number, since it is larger than the sum of its proper divisors (40087).

38971733 is an equidigital number, since it uses as much as digits as its factorization.

38971733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40086.

The product of its digits is 95256, while the sum is 41.

The square root of 38971733 is about 6242.7344169042. The cubic root of 38971733 is about 339.0391934103.

The spelling of 38971733 in words is "thirty-eight million, nine hundred seventy-one thousand, seven hundred thirty-three".