39600989 has 8 divisors (see below), whose sum is σ = 41077848. Its totient is φ = 38145600.

The previous prime is 39600983. The next prime is 39600991. The reversal of 39600989 is 98900693.

39600989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12996025 + 26604964 = 3605^2 + 5158^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39600989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39600983) 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 7 ways as a sum of consecutive naturals, for example, 1562 + ... + 9035.

It is an arithmetic number, because the mean of its divisors is an integer number (5134731).

Almost surely, 2^39600989 is an apocalyptic number.

It is an amenable number.

39600989 is a deficient number, since it is larger than the sum of its proper divisors (1476859).

39600989 is a wasteful number, since it uses less digits than its factorization.

39600989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10735.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 39600989 is about 6292.9316697387. The cubic root of 39600989 is about 340.8542217072.

The spelling of 39600989 in words is "thirty-nine million, six hundred thousand, nine hundred eighty-nine".