38670439 has 8 divisors (see below), whose sum is σ = 39890880. Its totient is φ = 37459296.

The previous prime is 38670431. The next prime is 38670449. The reversal of 38670439 is 93407683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38670439 - 2³ = 38670431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38670431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6657 + ... + 11029.

It is an arithmetic number, because the mean of its divisors is an integer number (4986360).

Almost surely, 2^38670439 is an apocalyptic number.

38670439 is a deficient number, since it is larger than the sum of its proper divisors (1220441).

38670439 is a wasteful number, since it uses less digits than its factorization.

38670439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4649.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 38670439 is about 6218.5560221003. The cubic root of 38670439 is about 338.1632178572.

The spelling of 38670439 in words is "thirty-eight million, six hundred seventy thousand, four hundred thirty-nine".