38007938 has 4 divisors (see below), whose sum is σ = 57011910. Its totient is φ = 19003968.

The previous prime is 38007929. The next prime is 38007967. The reversal of 38007938 is 83970083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83970083 = 131 ⋅640993.

It can be written as a sum of positive squares in only one way, i.e., 36204289 + 1803649 = 6017^2 + 1343^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 9501983 + ... + 9501986.

Almost surely, 2^38007938 is an apocalyptic number.

38007938 is a deficient number, since it is larger than the sum of its proper divisors (19003972).

38007938 is a wasteful number, since it uses less digits than its factorization.

38007938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19003971.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 38007938 is about 6165.0578261684. The cubic root of 38007938 is about 336.2209490156.

The spelling of 38007938 in words is "thirty-eight million, seven thousand, nine hundred thirty-eight".