38805745 has 8 divisors (see below), whose sum is σ = 50800320. Its totient is φ = 28222320.

The previous prime is 38805743. The next prime is 38805749. The reversal of 38805745 is 54750883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38805745 - 2¹ = 38805743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38805698 and 38805707.

It is not an unprimeable number, because it can be changed into a prime (38805743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352725 + ... + 352834.

It is an arithmetic number, because the mean of its divisors is an integer number (6350040).

Almost surely, 2^38805745 is an apocalyptic number.

It is an amenable number.

38805745 is a deficient number, since it is larger than the sum of its proper divisors (11994575).

38805745 is a wasteful number, since it uses less digits than its factorization.

38805745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705575.

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 38805745 is about 6229.4257359728. The cubic root of 38805745 is about 338.5571643409.

The spelling of 38805745 in words is "thirty-eight million, eight hundred five thousand, seven hundred forty-five".