38845501 has 2 divisors, whose sum is σ = 38845502. Its totient is φ = 38845500.

The previous prime is 38845489. The next prime is 38845517. The reversal of 38845501 is 10554883.

38845501 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., 26936100 + 11909401 = 5190^2 + 3451^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38845501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38845531) 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, 19422750 + 19422751.

It is an arithmetic number, because the mean of its divisors is an integer number (19422751).

Almost surely, 2^38845501 is an apocalyptic number.

It is an amenable number.

38845501 is a deficient number, since it is larger than the sum of its proper divisors (1).

38845501 is an equidigital number, since it uses as much as digits as its factorization.

38845501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 38845501 is about 6232.6159034550. The cubic root of 38845501 is about 338.6727407400.

The spelling of 38845501 in words is "thirty-eight million, eight hundred forty-five thousand, five hundred one".