39844045 has 16 divisors (see below), whose sum is σ = 50976000. Its totient is φ = 29809728.

The previous prime is 39844003. The next prime is 39844061. The reversal of 39844045 is 54044893.

It is a cyclic number.

It is not a de Polignac number, because 39844045 - 2¹³ = 39835853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39843995 and 39844013.

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 15 ways as a sum of consecutive naturals, for example, 4851 + ... + 10159.

It is an arithmetic number, because the mean of its divisors is an integer number (3186000).

Almost surely, 2^39844045 is an apocalyptic number.

It is an amenable number.

39844045 is a deficient number, since it is larger than the sum of its proper divisors (11131955).

39844045 is a wasteful number, since it uses less digits than its factorization.

39844045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5412.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 39844045 is about 6312.2139539151. The cubic root of 39844045 is about 341.5501449445.

The spelling of 39844045 in words is "thirty-nine million, eight hundred forty-four thousand, forty-five".