38748213 has 40 divisors (see below), whose sum is σ = 67976832. Its totient is φ = 21531744.

The previous prime is 38748211. The next prime is 38748223. The reversal of 38748213 is 31284783.

It is not a de Polignac number, because 38748213 - 2¹ = 38748211 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38748211) 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 39 ways as a sum of consecutive naturals, for example, 20056 + ... + 21902.

Almost surely, 2^38748213 is an apocalyptic number.

It is an amenable number.

38748213 is a deficient number, since it is larger than the sum of its proper divisors (29228619).

38748213 is a wasteful number, since it uses less digits than its factorization.

38748213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903 (or 1894 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 38748213 is about 6224.8062620454. The cubic root of 38748213 is about 338.3897707033.

The spelling of 38748213 in words is "thirty-eight million, seven hundred forty-eight thousand, two hundred thirteen".