39344545 has 16 divisors (see below), whose sum is σ = 50153040. Its totient is φ = 29528064.

The previous prime is 39344509. The next prime is 39344551. The reversal of 39344545 is 54544393.

It can be written as a sum of positive squares in 8 ways, for example, as 1016064 + 38328481 = 1008^2 + 6191^2 .

It is a cyclic number.

It is not a de Polignac number, because 39344545 - 2⁹ = 39344033 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36271 + ... + 37339.

It is an arithmetic number, because the mean of its divisors is an integer number (3134565).

Almost surely, 2^39344545 is an apocalyptic number.

It is an amenable number.

39344545 is a deficient number, since it is larger than the sum of its proper divisors (10808495).

39344545 is a wasteful number, since it uses less digits than its factorization.

39344545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524.

The product of its digits is 129600, while the sum is 37.

The square root of 39344545 is about 6272.5230170961. The cubic root of 39344545 is about 340.1168715867.

The spelling of 39344545 in words is "thirty-nine million, three hundred forty-four thousand, five hundred forty-five".