38838513 has 32 divisors (see below), whose sum is σ = 62226432. Its totient is φ = 21067200.

The previous prime is 38838479. The next prime is 38838529. The reversal of 38838513 is 31583883.

It is not a de Polignac number, because 38838513 - 2⁹ = 38838001 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38838563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92043 + ... + 92463.

It is an arithmetic number, because the mean of its divisors is an integer number (1944576).

Almost surely, 2^38838513 is an apocalyptic number.

It is an amenable number.

38838513 is a deficient number, since it is larger than the sum of its proper divisors (23387919).

38838513 is a wasteful number, since it uses less digits than its factorization.

38838513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645.

The product of its digits is 69120, while the sum is 39.

The square root of 38838513 is about 6232.0552789589. The cubic root of 38838513 is about 338.6524313350.

The spelling of 38838513 in words is "thirty-eight million, eight hundred thirty-eight thousand, five hundred thirteen".