38508213 has 16 divisors (see below), whose sum is σ = 54501120. Its totient is φ = 24101376.

The previous prime is 38508167. The next prime is 38508221. The reversal of 38508213 is 31280583.

It is a happy number.

It is not a de Polignac number, because 38508213 - 2⁶ = 38508149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38508013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28356 + ... + 29682.

It is an arithmetic number, because the mean of its divisors is an integer number (3406320).

Almost surely, 2^38508213 is an apocalyptic number.

It is an amenable number.

38508213 is a deficient number, since it is larger than the sum of its proper divisors (15992907).

38508213 is a wasteful number, since it uses less digits than its factorization.

38508213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 38508213 is about 6205.4986101038. The cubic root of 38508213 is about 337.6896799341.

Adding to 38508213 its reverse (31280583), we get a palindrome (69788796).

The spelling of 38508213 in words is "thirty-eight million, five hundred eight thousand, two hundred thirteen".