38539073 has 2 divisors, whose sum is σ = 38539074. Its totient is φ = 38539072.

The previous prime is 38539043. The next prime is 38539079. The reversal of 38539073 is 37093583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36204289 + 2334784 = 6017^2 + 1528^2 .

It is a cyclic number.

It is not a de Polignac number, because 38539073 - 2¹⁸ = 38276929 is a prime.

It is not a weakly prime, because it can be changed into another prime (38539079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19269536 + 19269537.

It is an arithmetic number, because the mean of its divisors is an integer number (19269537).

Almost surely, 2^38539073 is an apocalyptic number.

It is an amenable number.

38539073 is a deficient number, since it is larger than the sum of its proper divisors (1).

38539073 is an equidigital number, since it uses as much as digits as its factorization.

38539073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 38539073 is about 6207.9846166047. The cubic root of 38539073 is about 337.7798626091.

The spelling of 38539073 in words is "thirty-eight million, five hundred thirty-nine thousand, seventy-three".