38724914 has 4 divisors (see below), whose sum is σ = 58087374. Its totient is φ = 19362456.

The previous prime is 38724913. The next prime is 38724923. The reversal of 38724914 is 41942783.

38724914 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41942783 = 31 ⋅1352993.

It can be written as a sum of positive squares in only one way, i.e., 37884025 + 840889 = 6155^2 + 917^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38724911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9681227 + ... + 9681230.

Almost surely, 2^38724914 is an apocalyptic number.

38724914 is a deficient number, since it is larger than the sum of its proper divisors (19362460).

38724914 is a wasteful number, since it uses less digits than its factorization.

38724914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19362459.

The product of its digits is 48384, while the sum is 38.

The square root of 38724914 is about 6222.9345167694. The cubic root of 38724914 is about 338.3219333898.

The spelling of 38724914 in words is "thirty-eight million, seven hundred twenty-four thousand, nine hundred fourteen".