38957289 has 8 divisors (see below), whose sum is σ = 59363520. Its totient is φ = 22261296.

The previous prime is 38957249. The next prime is 38957293. The reversal of 38957289 is 98275983.

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

It is not a de Polignac number, because 38957289 - 2⁷ = 38957161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38957209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 927534 + ... + 927575.

It is an arithmetic number, because the mean of its divisors is an integer number (7420440).

Almost surely, 2^38957289 is an apocalyptic number.

It is an amenable number.

38957289 is a deficient number, since it is larger than the sum of its proper divisors (20406231).

38957289 is a wasteful number, since it uses less digits than its factorization.

38957289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855119.

The product of its digits is 1088640, while the sum is 51.

The square root of 38957289 is about 6241.5774448452. The cubic root of 38957289 is about 338.9973024733.

The spelling of 38957289 in words is "thirty-eight million, nine hundred fifty-seven thousand, two hundred eighty-nine".