38357389 has 16 divisors (see below), whose sum is σ = 46908288. Its totient is φ = 30615552.

The previous prime is 38357377. The next prime is 38357443. The reversal of 38357389 is 98375383.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 38357389 - 2⁵ = 38357357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38357329) 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 15 ways as a sum of consecutive naturals, for example, 9882 + ... + 13204.

It is an arithmetic number, because the mean of its divisors is an integer number (2931768).

Almost surely, 2^38357389 is an apocalyptic number.

It is an amenable number.

38357389 is a deficient number, since it is larger than the sum of its proper divisors (8550899).

38357389 is a wasteful number, since it uses less digits than its factorization.

38357389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444.

The product of its digits is 544320, while the sum is 46.

The square root of 38357389 is about 6193.3342393254. The cubic root of 38357389 is about 337.2482299712.

The spelling of 38357389 in words is "thirty-eight million, three hundred fifty-seven thousand, three hundred eighty-nine".