39520036 has 12 divisors (see below), whose sum is σ = 73228428. Its totient is φ = 18597632.

The previous prime is 39519983. The next prime is 39520043. The reversal of 39520036 is 63002593.

It can be written as a sum of positive squares in 2 ways, for example, as 14017536 + 25502500 = 3744^2 + 5050^2 .

It is a junction number, because it is equal to n+sod(n) for n = 39519986 and 39520013.

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 3 ways as a sum of consecutive naturals, for example, 290521 + ... + 290656.

It is an arithmetic number, because the mean of its divisors is an integer number (6102369).

Almost surely, 2^39520036 is an apocalyptic number.

It is an amenable number.

39520036 is a deficient number, since it is larger than the sum of its proper divisors (33708392).

39520036 is a wasteful number, since it uses less digits than its factorization.

39520036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581198 (or 581196 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 39520036 is about 6286.4963214815. The cubic root of 39520036 is about 340.6218033087.

The spelling of 39520036 in words is "thirty-nine million, five hundred twenty thousand, thirty-six".