38624413 has 2 divisors, whose sum is σ = 38624414. Its totient is φ = 38624412.

The previous prime is 38624389. The next prime is 38624431. The reversal of 38624413 is 31442683.

Together with next prime (38624431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34833604 + 3790809 = 5902^2 + 1947^2 .

It is a cyclic number.

It is not a de Polignac number, because 38624413 - 2⁵ = 38624381 is a prime.

It is equal to p_2354818 and since 38624413 and 2354818 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38624713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19312206 + 19312207.

It is an arithmetic number, because the mean of its divisors is an integer number (19312207).

Almost surely, 2^38624413 is an apocalyptic number.

It is an amenable number.

38624413 is a deficient number, since it is larger than the sum of its proper divisors (1).

38624413 is an equidigital number, since it uses as much as digits as its factorization.

38624413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 31.

The square root of 38624413 is about 6214.8542219428. The cubic root of 38624413 is about 338.0290026815.

The spelling of 38624413 in words is "thirty-eight million, six hundred twenty-four thousand, four hundred thirteen".