39661108 has 12 divisors (see below), whose sum is σ = 72424800. Its totient is φ = 18968312.

The previous prime is 39661099. The next prime is 39661109. The reversal of 39661108 is 80116693.

39661108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39661109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215458 + ... + 215641.

It is an arithmetic number, because the mean of its divisors is an integer number (6035400).

Almost surely, 2^39661108 is an apocalyptic number.

It is an amenable number.

39661108 is a deficient number, since it is larger than the sum of its proper divisors (32763692).

39661108 is a wasteful number, since it uses less digits than its factorization.

39661108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431126 (or 431124 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 39661108 is about 6297.7065666797. The cubic root of 39661108 is about 341.0266202132.

It can be divided in two parts, 396 and 61108, that added together give a square (61504 = 248²).

The spelling of 39661108 in words is "thirty-nine million, six hundred sixty-one thousand, one hundred eight".