38482729 has 2 divisors, whose sum is σ = 38482730. Its totient is φ = 38482728.

The previous prime is 38482709. The next prime is 38482789. The reversal of 38482729 is 92728483.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28729600 + 9753129 = 5360^2 + 3123^2 .

It is an emirp because it is prime and its reverse (92728483) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38482729 is a prime.

It is not a weakly prime, because it can be changed into another prime (38482709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19241364 + 19241365.

It is an arithmetic number, because the mean of its divisors is an integer number (19241365).

Almost surely, 2^38482729 is an apocalyptic number.

It is an amenable number.

38482729 is a deficient number, since it is larger than the sum of its proper divisors (1).

38482729 is an equidigital number, since it uses as much as digits as its factorization.

38482729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 43.

The square root of 38482729 is about 6203.4449300369. Note that the first 3 decimals coincide. The cubic root of 38482729 is about 337.6151713017.

The spelling of 38482729 in words is "thirty-eight million, four hundred eighty-two thousand, seven hundred twenty-nine".