38446009 has 4 divisors (see below), whose sum is σ = 43938304. Its totient is φ = 32953716.

The previous prime is 38445991. The next prime is 38446013. The reversal of 38446009 is 90064483.

38446009 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38446009 - 2⁷ = 38445881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38446019) 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, 2746137 + ... + 2746150.

It is an arithmetic number, because the mean of its divisors is an integer number (10984576).

Almost surely, 2^38446009 is an apocalyptic number.

It is an amenable number.

38446009 is a deficient number, since it is larger than the sum of its proper divisors (5492295).

38446009 is an equidigital number, since it uses as much as digits as its factorization.

38446009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5492294.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 38446009 is about 6200.4845778374. The cubic root of 38446009 is about 337.5077536399.

The spelling of 38446009 in words is "thirty-eight million, four hundred forty-six thousand, nine".