38319473 has 2 divisors, whose sum is σ = 38319474. Its totient is φ = 38319472.

The previous prime is 38319467. The next prime is 38319509. The reversal of 38319473 is 37491383.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26915344 + 11404129 = 5188^2 + 3377^2 .

It is a cyclic number.

It is not a de Polignac number, because 38319473 - 2¹² = 38315377 is a prime.

It is not a weakly prime, because it can be changed into another prime (38319973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19159736 + 19159737.

It is an arithmetic number, because the mean of its divisors is an integer number (19159737).

Almost surely, 2^38319473 is an apocalyptic number.

It is an amenable number.

38319473 is a deficient number, since it is larger than the sum of its proper divisors (1).

38319473 is an equidigital number, since it uses as much as digits as its factorization.

38319473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 38.

The square root of 38319473 is about 6190.2724495776. The cubic root of 38319473 is about 337.1370708624.

The spelling of 38319473 in words is "thirty-eight million, three hundred nineteen thousand, four hundred seventy-three".