38738653 has 2 divisors, whose sum is σ = 38738654. Its totient is φ = 38738652.

The previous prime is 38738641. The next prime is 38738681. The reversal of 38738653 is 35683783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38278969 + 459684 = 6187^2 + 678^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38738653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38738753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19369326 + 19369327.

It is an arithmetic number, because the mean of its divisors is an integer number (19369327).

Almost surely, 2^38738653 is an apocalyptic number.

It is an amenable number.

38738653 is a deficient number, since it is larger than the sum of its proper divisors (1).

38738653 is an equidigital number, since it uses as much as digits as its factorization.

38738653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 43.

The square root of 38738653 is about 6224.0383192908. The cubic root of 38738653 is about 338.3619391205.

The spelling of 38738653 in words is "thirty-eight million, seven hundred thirty-eight thousand, six hundred fifty-three".