38012449 has 2 divisors, whose sum is σ = 38012450. Its totient is φ = 38012448.

The previous prime is 38012441. The next prime is 38012467. The reversal of 38012449 is 94421083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19864849 + 18147600 = 4457^2 + 4260^2 .

It is an emirp because it is prime and its reverse (94421083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38012449 - 2³ = 38012441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38012449.

It is not a weakly prime, because it can be changed into another prime (38012441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19006224 + 19006225.

It is an arithmetic number, because the mean of its divisors is an integer number (19006225).

Almost surely, 2^38012449 is an apocalyptic number.

It is an amenable number.

38012449 is a deficient number, since it is larger than the sum of its proper divisors (1).

38012449 is an equidigital number, since it uses as much as digits as its factorization.

38012449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 38012449 is about 6165.4236675187. The cubic root of 38012449 is about 336.2342500327.

The spelling of 38012449 in words is "thirty-eight million, twelve thousand, four hundred forty-nine".