38938289 has 8 divisors (see below), whose sum is σ = 42645120. Its totient is φ = 35333136.

The previous prime is 38938283. The next prime is 38938307. The reversal of 38938289 is 98283983.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 38938289 - 2¹⁶ = 38872753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38938283) 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, 24617 + ... + 26150.

It is an arithmetic number, because the mean of its divisors is an integer number (5330640).

Almost surely, 2^38938289 is an apocalyptic number.

It is an amenable number.

38938289 is a deficient number, since it is larger than the sum of its proper divisors (3706831).

38938289 is a wasteful number, since it uses less digits than its factorization.

38938289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50839.

The product of its digits is 746496, while the sum is 50.

The square root of 38938289 is about 6240.0552080891. The cubic root of 38938289 is about 338.9421823121.

The spelling of 38938289 in words is "thirty-eight million, nine hundred thirty-eight thousand, two hundred eighty-nine".