38398851 has 12 divisors (see below), whose sum is σ = 55890120. Its totient is φ = 25403040.

The previous prime is 38398849. The next prime is 38398861. The reversal of 38398851 is 15889383.

38398851 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 38398851 - 2¹ = 38398849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38398797 and 38398806.

It is not an unprimeable number, because it can be changed into a prime (38398861) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 15106 + ... + 17463.

It is an arithmetic number, because the mean of its divisors is an integer number (4657510).

Almost surely, 2^38398851 is an apocalyptic number.

38398851 is a deficient number, since it is larger than the sum of its proper divisors (17491269).

38398851 is a wasteful number, since it uses less digits than its factorization.

38398851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32706 (or 32703 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 38398851 is about 6196.6806436995. The cubic root of 38398851 is about 337.3697011422.

The spelling of 38398851 in words is "thirty-eight million, three hundred ninety-eight thousand, eight hundred fifty-one".