38709747 has 12 divisors (see below), whose sum is σ = 55977064. Its totient is φ = 25777440.

The previous prime is 38709743. The next prime is 38709757. The reversal of 38709747 is 74790783.

It is not a de Polignac number, because 38709747 - 2² = 38709743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38709743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8703 + ... + 12375.

Almost surely, 2^38709747 is an apocalyptic number.

38709747 is a deficient number, since it is larger than the sum of its proper divisors (17267317).

38709747 is a wasteful number, since it uses less digits than its factorization.

38709747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4850 (or 4847 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The square root of 38709747 is about 6221.7157601421. The cubic root of 38709747 is about 338.2777585654.

The spelling of 38709747 in words is "thirty-eight million, seven hundred nine thousand, seven hundred forty-seven".