38934449 has 2 divisors, whose sum is σ = 38934450. Its totient is φ = 38934448.

The previous prime is 38934433. The next prime is 38934451. The reversal of 38934449 is 94443983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22733824 + 16200625 = 4768^2 + 4025^2 .

It is an emirp because it is prime and its reverse (94443983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38934449 - 2⁴ = 38934433 is a prime.

Together with 38934451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38934499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19467224 + 19467225.

It is an arithmetic number, because the mean of its divisors is an integer number (19467225).

Almost surely, 2^38934449 is an apocalyptic number.

It is an amenable number.

38934449 is a deficient number, since it is larger than the sum of its proper divisors (1).

38934449 is an equidigital number, since it uses as much as digits as its factorization.

38934449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 44.

The square root of 38934449 is about 6239.7475109174. The cubic root of 38934449 is about 338.9310400594.

The spelling of 38934449 in words is "thirty-eight million, nine hundred thirty-four thousand, four hundred forty-nine".