38243929 has 2 divisors, whose sum is σ = 38243930. Its totient is φ = 38243928.

The previous prime is 38243927. The next prime is 38243951. The reversal of 38243929 is 92934283.

38243929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38192400 + 51529 = 6180^2 + 227^2 .

It is a cyclic number.

It is not a de Polignac number, because 38243929 - 2¹ = 38243927 is a prime.

Together with 38243927, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 38243891 and 38243900.

It is not a weakly prime, because it can be changed into another prime (38243927) 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, 19121964 + 19121965.

It is an arithmetic number, because the mean of its divisors is an integer number (19121965).

Almost surely, 2^38243929 is an apocalyptic number.

It is an amenable number.

38243929 is a deficient number, since it is larger than the sum of its proper divisors (1).

38243929 is an equidigital number, since it uses as much as digits as its factorization.

38243929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 40.

The square root of 38243929 is about 6184.1676076898. The cubic root of 38243929 is about 336.9153782018.

The spelling of 38243929 in words is "thirty-eight million, two hundred forty-three thousand, nine hundred twenty-nine".