38206845 has 24 divisors (see below), whose sum is σ = 66915576. Its totient is φ = 20164608.

The previous prime is 38206823. The next prime is 38206897. The reversal of 38206845 is 54860283.

It can be written as a sum of positive squares in 4 ways, for example, as 8982009 + 29224836 = 2997^2 + 5406^2 .

It is not a de Polignac number, because 38206845 - 2¹⁰ = 38205821 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 (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12 + ... + 8741.

It is an arithmetic number, because the mean of its divisors is an integer number (2788149).

Almost surely, 2^38206845 is an apocalyptic number.

It is an amenable number.

38206845 is a deficient number, since it is larger than the sum of its proper divisors (28708731).

38206845 is a wasteful number, since it uses less digits than its factorization.

38206845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8861 (or 8858 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 38206845 is about 6181.1685788369. The cubic root of 38206845 is about 336.8064440450.

The spelling of 38206845 in words is "thirty-eight million, two hundred six thousand, eight hundred forty-five".