38847855 has 16 divisors (see below), whose sum is σ = 62945280. Its totient is φ = 20455968.

The previous prime is 38847847. The next prime is 38847871. The reversal of 38847855 is 55874883.

38847855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38847855 - 2³ = 38847847 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 15207 + ... + 17576.

It is an arithmetic number, because the mean of its divisors is an integer number (3934080).

Almost surely, 2^38847855 is an apocalyptic number.

38847855 is a deficient number, since it is larger than the sum of its proper divisors (24097425).

38847855 is a wasteful number, since it uses less digits than its factorization.

38847855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32870.

The product of its digits is 1075200, while the sum is 48.

The square root of 38847855 is about 6232.8047458588. The cubic root of 38847855 is about 338.6795816826.

The spelling of 38847855 in words is "thirty-eight million, eight hundred forty-seven thousand, eight hundred fifty-five".