38398289 has 8 divisors (see below), whose sum is σ = 38762592. Its totient is φ = 38036160.

The previous prime is 38398279. The next prime is 38398301. The reversal of 38398289 is 98289383.

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 38398289 - 2⁴ = 38398273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38398229) 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, 67922 + ... + 68484.

It is an arithmetic number, because the mean of its divisors is an integer number (4845324).

Almost surely, 2^38398289 is an apocalyptic number.

It is an amenable number.

38398289 is a deficient number, since it is larger than the sum of its proper divisors (364303).

38398289 is a wasteful number, since it uses less digits than its factorization.

38398289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087.

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

The square root of 38398289 is about 6196.6352966751. The cubic root of 38398289 is about 337.3680552362.

The spelling of 38398289 in words is "thirty-eight million, three hundred ninety-eight thousand, two hundred eighty-nine".