38328307 has 4 divisors (see below), whose sum is σ = 39564736. Its totient is φ = 37091880.

The previous prime is 38328293. The next prime is 38328331. The reversal of 38328307 is 70382383.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70382383 = 283 ⋅248701.

It is a cyclic number.

It is not a de Polignac number, because 38328307 - 2¹¹ = 38326259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38328397) 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, 618168 + ... + 618229.

It is an arithmetic number, because the mean of its divisors is an integer number (9891184).

Almost surely, 2^38328307 is an apocalyptic number.

38328307 is a deficient number, since it is larger than the sum of its proper divisors (1236429).

38328307 is a wasteful number, since it uses less digits than its factorization.

38328307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236428.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 38328307 is about 6190.9859473270. The cubic root of 38328307 is about 337.1629762296.

The spelling of 38328307 in words is "thirty-eight million, three hundred twenty-eight thousand, three hundred seven".