38261805 has 16 divisors (see below), whose sum is σ = 61598400. Its totient is φ = 20279808.

The previous prime is 38261791. The next prime is 38261831. The reversal of 38261805 is 50816283.

It is a happy number.

38261805 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 38261805 - 2⁴ = 38261789 is a prime.

It is a Curzon number.

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, 5380 + ... + 10269.

It is an arithmetic number, because the mean of its divisors is an integer number (3849900).

Almost surely, 2^38261805 is an apocalyptic number.

It is an amenable number.

38261805 is a deficient number, since it is larger than the sum of its proper divisors (23336595).

38261805 is a wasteful number, since it uses less digits than its factorization.

38261805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15820.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 38261805 is about 6185.6127424856. The cubic root of 38261805 is about 336.9678637537.

The spelling of 38261805 in words is "thirty-eight million, two hundred sixty-one thousand, eight hundred five".