38047609 has 4 divisors (see below), whose sum is σ = 38424420. Its totient is φ = 37670800.

The previous prime is 38047601. The next prime is 38047613. The reversal of 38047609 is 90674083.

38047609 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 an emirpimes, since its reverse is a distinct semiprime: 90674083 = 41 ⋅2211563.

It can be written as a sum of positive squares in 2 ways, for example, as 19316025 + 18731584 = 4395^2 + 4328^2 .

It is a cyclic number.

It is not a de Polignac number, because 38047609 - 2³ = 38047601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38047601) 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, 188254 + ... + 188455.

It is an arithmetic number, because the mean of its divisors is an integer number (9606105).

Almost surely, 2^38047609 is an apocalyptic number.

It is an amenable number.

38047609 is a deficient number, since it is larger than the sum of its proper divisors (376811).

38047609 is a wasteful number, since it uses less digits than its factorization.

38047609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376810.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 38047609 is about 6168.2743940263. The cubic root of 38047609 is about 336.3378858455.

It can be divided in two parts, 3804 and 7609, that multiplied together give a triangular number (28944636 = T₇₆₀₈).

The spelling of 38047609 in words is "thirty-eight million, forty-seven thousand, six hundred nine".