38847005 has 4 divisors (see below), whose sum is σ = 46616412. Its totient is φ = 31077600.

The previous prime is 38846993. The next prime is 38847043. The reversal of 38847005 is 50074883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50074883 = 4933 ⋅10151.

It can be written as a sum of positive squares in 2 ways, for example, as 5968249 + 32878756 = 2443^2 + 5734^2 .

It is not a de Polignac number, because 38847005 - 2¹⁰ = 38845981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3884696 + ... + 3884705.

It is an arithmetic number, because the mean of its divisors is an integer number (11654103).

Almost surely, 2^38847005 is an apocalyptic number.

It is an amenable number.

38847005 is a deficient number, since it is larger than the sum of its proper divisors (7769407).

38847005 is an equidigital number, since it uses as much as digits as its factorization.

38847005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7769406.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 38847005 is about 6232.7365578853. The cubic root of 38847005 is about 338.6771115356.

The spelling of 38847005 in words is "thirty-eight million, eight hundred forty-seven thousand, five".