39780652 has 12 divisors (see below), whose sum is σ = 69722856. Its totient is φ = 19859840.

The previous prime is 39780641. The next prime is 39780667. The reversal of 39780652 is 25608793.

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, 4549 + ... + 10012.

It is an arithmetic number, because the mean of its divisors is an integer number (5810238).

Almost surely, 2^39780652 is an apocalyptic number.

It is an amenable number.

39780652 is a deficient number, since it is larger than the sum of its proper divisors (29942204).

39780652 is a wasteful number, since it uses less digits than its factorization.

39780652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15248 (or 15246 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 39780652 is about 6307.1904997392. The cubic root of 39780652 is about 341.3689101542.

The spelling of 39780652 in words is "thirty-nine million, seven hundred eighty thousand, six hundred fifty-two".