38760649 has 4 divisors (see below), whose sum is σ = 39492036. Its totient is φ = 38029264.

The previous prime is 38760647. The next prime is 38760653. The reversal of 38760649 is 94606783.

It is a happy number.

38760649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32410249 + 6350400 = 5693^2 + 2520^2 .

It is a cyclic number.

It is not a de Polignac number, because 38760649 - 2¹ = 38760647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38760641) 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 in 3 ways as a sum of consecutive naturals, for example, 365614 + ... + 365719.

It is an arithmetic number, because the mean of its divisors is an integer number (9873009).

Almost surely, 2^38760649 is an apocalyptic number.

It is an amenable number.

38760649 is a deficient number, since it is larger than the sum of its proper divisors (731387).

38760649 is an equidigital number, since it uses as much as digits as its factorization.

38760649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731386.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 38760649 is about 6225.8050885006. The cubic root of 38760649 is about 338.4259682011.

The spelling of 38760649 in words is "thirty-eight million, seven hundred sixty thousand, six hundred forty-nine".