38161047 has 4 divisors (see below), whose sum is σ = 50881400. Its totient is φ = 25440696.

The previous prime is 38161033. The next prime is 38161069. The reversal of 38161047 is 74016183.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74016183 = 3 ⋅24672061.

It is not a de Polignac number, because 38161047 - 2⁷ = 38160919 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 (38160047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6360172 + ... + 6360177.

It is an arithmetic number, because the mean of its divisors is an integer number (12720350).

Almost surely, 2^38161047 is an apocalyptic number.

38161047 is a deficient number, since it is larger than the sum of its proper divisors (12720353).

38161047 is a wasteful number, since it uses less digits than its factorization.

38161047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12720352.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 38161047 is about 6177.4628287024. The cubic root of 38161047 is about 336.6718152117.

The spelling of 38161047 in words is "thirty-eight million, one hundred sixty-one thousand, forty-seven".